657004842164 has 36 divisors (see below), whose sum is σ = 1276053952992. Its totient is φ = 295739138640.

The previous prime is 657004842157. The next prime is 657004842173. The reversal of 657004842164 is 461248400756.

It is a happy number.

It is a congruent number.

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, 6539702 + ... + 6639405.

Almost surely, 2^657004842164 is an apocalyptic number.

It is an amenable number.

657004842164 is a deficient number, since it is larger than the sum of its proper divisors (619049110828).

657004842164 is a wasteful number, since it uses less digits than its factorization.

657004842164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13179236 (or 13179223 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 657004842164 in words is "six hundred fifty-seven billion, four million, eight hundred forty-two thousand, one hundred sixty-four".