57940164872 has 12 divisors (see below), whose sum is σ = 108639085695. Its totient is φ = 28969742024.

The previous prime is 57940164857. The next prime is 57940164889. The reversal of 57940164872 is 27846104975.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 28970082436 + 28970082436 = 170206^2 + 170206^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=170206.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 638273 + ... + 723375.

Almost surely, 2^57940164872 is an apocalyptic number.

It is an amenable number.

57940164872 is a deficient number, since it is larger than the sum of its proper divisors (50698920823).

57940164872 is an frugal number, since it uses more digits than its factorization.

57940164872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170212 (or 85105 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 57940164872 in words is "fifty-seven billion, nine hundred forty million, one hundred sixty-four thousand, eight hundred seventy-two".