57329681216 has 14 divisors (see below), whose sum is σ = 113763586290. Its totient is φ = 28664840576.

The previous prime is 57329681203. The next prime is 57329681303. The reversal of 57329681216 is 61218692375.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35751246400 + 21578434816 = 189080^2 + 146896^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447888071 + ... + 447888198.

Almost surely, 2^57329681216 is an apocalyptic number.

It is an amenable number.

57329681216 is a deficient number, since it is larger than the sum of its proper divisors (56433905074).

57329681216 is an equidigital number, since it uses as much as digits as its factorization.

57329681216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895776281 (or 895776271 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The spelling of 57329681216 in words is "fifty-seven billion, three hundred twenty-nine million, six hundred eighty-one thousand, two hundred sixteen".