57660658636 has 24 divisors (see below), whose sum is σ = 116028819200. Its totient is φ = 24560103312.

The previous prime is 57660658631. The next prime is 57660658637. The reversal of 57660658636 is 63685606675.

It is not an unprimeable number, because it can be changed into a prime (57660658631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6312336 + ... + 6321463.

Almost surely, 2^57660658636 is an apocalyptic number.

It is an amenable number.

57660658636 is an abundant number, since it is smaller than the sum of its proper divisors (58368160564).

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

57660658636 is a wasteful number, since it uses less digits than its factorization.

57660658636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12633973 (or 12633971 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 58.

The spelling of 57660658636 in words is "fifty-seven billion, six hundred sixty million, six hundred fifty-eight thousand, six hundred thirty-six".