57144064164 has 24 divisors (see below), whose sum is σ = 145457618208. Its totient is φ = 17316383040.

The previous prime is 57144064139. The next prime is 57144064181. The reversal of 57144064164 is 46146044175.

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, 216454657 + ... + 216454920.

It is an arithmetic number, because the mean of its divisors is an integer number (6060734092).

Almost surely, 2^57144064164 is an apocalyptic number.

It is an amenable number.

57144064164 is an abundant number, since it is smaller than the sum of its proper divisors (88313554044).

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

57144064164 is a wasteful number, since it uses less digits than its factorization.

57144064164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432909595 (or 432909593 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 57144064164 in words is "fifty-seven billion, one hundred forty-four million, sixty-four thousand, one hundred sixty-four".