57166712056 has 32 divisors (see below), whose sum is σ = 113659089840. Its totient is φ = 26862550528.

The previous prime is 57166712041. The next prime is 57166712123. The reversal of 57166712056 is 65021766175.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 57166711997 and 57166712015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214831 + ... + 400606.

Almost surely, 2^57166712056 is an apocalyptic number.

It is an amenable number.

57166712056 is a deficient number, since it is larger than the sum of its proper divisors (56492377784).

57166712056 is a wasteful number, since it uses less digits than its factorization.

57166712056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616143 (or 616139 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 57166712056 in words is "fifty-seven billion, one hundred sixty-six million, seven hundred twelve thousand, fifty-six".