57321590078916 has 72 divisors (see below), whose sum is σ = 144999974805504. Its totient is φ = 19093522538880.

The previous prime is 57321590078873. The next prime is 57321590078957. The reversal of 57321590078916 is 61987009512375.

57321590078916 is a `hidden beast` number, since 5 + 7 + 3 + 21 + 590 + 0 + 7 + 8 + 9 + 16 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285549261 + ... + 285749931.

Almost surely, 2^{57321590078916} is an apocalyptic number.

It is an amenable number.

57321590078916 is an abundant number, since it is smaller than the sum of its proper divisors (87678384726588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57321590078916 is a wasteful number, since it uses less digits than its factorization.

57321590078916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206321 (or 206316 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 63.

The spelling of 57321590078916 in words is "fifty-seven trillion, three hundred twenty-one billion, five hundred ninety million, seventy-eight thousand, nine hundred sixteen".