57166508568 has 32 divisors (see below), whose sum is σ = 153909831600. Its totient is φ = 17589694848.

The previous prime is 57166508543. The next prime is 57166508591. The reversal of 57166508568 is 86580566175.

57166508568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 91612683 + ... + 91613306.

Almost surely, 2^57166508568 is an apocalyptic number.

It is an amenable number.

57166508568 is an abundant number, since it is smaller than the sum of its proper divisors (96743323032).

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

57166508568 is a wasteful number, since it uses less digits than its factorization.

57166508568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183226011 (or 183226007 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 57.

The spelling of 57166508568 in words is "fifty-seven billion, one hundred sixty-six million, five hundred eight thousand, five hundred sixty-eight".