57257642051664 has 40 divisors (see below), whose sum is σ = 152687045475072. Its totient is φ = 18470207112960.

The previous prime is 57257642051627. The next prime is 57257642051681. The reversal of 57257642051664 is 46615024675275.

It is a junction number, because it is equal to n+sod(n) for n = 57257642051598 and 57257642051607.

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, 19239797589 + ... + 19239800564.

Almost surely, 2^{57257642051664} is an apocalyptic number.

It is an amenable number.

57257642051664 is an abundant number, since it is smaller than the sum of its proper divisors (95429403423408).

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

57257642051664 is a wasteful number, since it uses less digits than its factorization.

57257642051664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38479598195 (or 38479598189 counting only the distinct ones).

The product of its (nonzero) digits is 84672000, while the sum is 60.

The spelling of 57257642051664 in words is "fifty-seven trillion, two hundred fifty-seven billion, six hundred forty-two million, fifty-one thousand, six hundred sixty-four".