57567136068 has 36 divisors (see below), whose sum is σ = 156710538348. Its totient is φ = 17712964800.

The previous prime is 57567136051. The next prime is 57567136117. The reversal of 57567136068 is 86063176575.

57567136068 is a `hidden beast` number, since 5 + 7 + 567 + 13 + 6 + 0 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7246776384 + 50320359684 = 85128^2 + 224322^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61502883 + ... + 61503818.

Almost surely, 2^57567136068 is an apocalyptic number.

It is an amenable number.

57567136068 is an abundant number, since it is smaller than the sum of its proper divisors (99143402280).

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

57567136068 is a wasteful number, since it uses less digits than its factorization.

57567136068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123006724 (or 123006719 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 57567136068 in words is "fifty-seven billion, five hundred sixty-seven million, one hundred thirty-six thousand, sixty-eight".