It's about as heavy as a Car
It's about nine-tenths as heavy as a Giraffe
In other words, 0.0000016520 megatonnes is 0.8560 times the weight of a Giraffe, and the weight of a Giraffe is 1.170 times that amount.(Giraffa camelopardalis reticulata) (adult, male, maximum of range)
An adult, male giraffe can weigh up to 0.000001930 megatonnes. Reaching 5.5 m (18 ft) in height by adulthood, giraffe calves can grow as much as 3 cm (1 in) per day.
It's about four-fifths as heavy as a Rhinoceros
In other words, 0.0000016520 megatonnes is 0.790 times the weight of a Rhinoceros, and the weight of a Rhinoceros is 1.30 times that amount.(for Black rhinoceros, Diceros bicornis) (Adult, male)
An adult black rhinoceros weighs between 0.00000210 megatonnes. Rhinoceros are extremely aggressive — nearly one of every two males will die as a result of fighting with other rhinoceros.
It's about three-fifths as heavy as The Tongue of a Blue Whale
In other words, 0.0000016520 megatonnes is 0.610 times the weight of The Tongue of a Blue Whale, and the weight of The Tongue of a Blue Whale is 1.60 times that amount.(Balaenoptera musculus) (adult)
The tongue of a Blue Whale can weigh up to 0.00000270 megatonnes. Despite their tremendous size, blue whales feed almost exclusively on tiny crustaceans called krill and cannot swallow anything much larger than a beach ball.
It's about two-fifths as heavy as a Hippopotamus
In other words, 0.0000016520 megatonnes is 0.4410 times the weight of a Hippopotamus, and the weight of a Hippopotamus is 2.270 times that amount.(Hippopotamus amphibius) (adult, male)
The average weight of an adult male hippopotamus ranges from 0.000003750 megatonnes. Appearances to the contrary, adult hippos cannot swim or float in water; they actually move by leaping and walking across lake bottoms at about 8 kph (5 mph).
It's about two-and-a-half times as heavy as a Cow
In other words, the weight of a Cow is 0.420 times 0.0000016520 megatonnes.(for Holstein, a.k.a. Holstein Friesian, a.k.a. Friesian, Bos primigenius) (adult, heifer)
A mature Holstein cow (the well-known black-and-white, spotted breed of cow) typically weighs 0.000000680 megatonnes. President William Howard Taft (1909 - 1913) kept a Holstein cow named Pauline Wayne on the White House grounds — a gift from a Wisconsin senator and the source of the First Family's milk.
It's about three times as heavy as a Grizzly Bear
In other words, 0.0000016520 megatonnes is 3.170 times the weight of a Grizzly Bear, and the weight of a Grizzly Bear is 0.3150 times that amount.(a.k.a. brown bear, a.k.a. silver bear, Ursus arctos horribilis) (Adult, male, coastal area population average)
An adult, male grizzly bear from a coastal area (where food is plentiful) can weigh up to 0.0000005210 megatonnes. In spite of their tremendous size, grizzly bears can run at speeds of up to 55 kph (34 mph).