57166542808 has 8 divisors (see below), whose sum is σ = 107187267780. Its totient is φ = 28583271400.

The previous prime is 57166542791. The next prime is 57166542827. The reversal of 57166542808 is 80824566175.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572908918 + ... + 3572908933.

Almost surely, 2^57166542808 is an apocalyptic number.

It is an amenable number.

57166542808 is a deficient number, since it is larger than the sum of its proper divisors (50020724972).

57166542808 is a wasteful number, since it uses less digits than its factorization.

57166542808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145817857 (or 7145817853 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 57166542808 in words is "fifty-seven billion, one hundred sixty-six million, five hundred forty-two thousand, eight hundred eight".