656340066164 has 12 divisors (see below), whose sum is σ = 1164772512288. Its totient is φ = 323547919800.

The previous prime is 656340066157. The next prime is 656340066181. The reversal of 656340066164 is 461660043656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1155528002 + ... + 1155528569.

It is an arithmetic number, because the mean of its divisors is an integer number (97064376024).

Almost surely, 2^656340066164 is an apocalyptic number.

It is an amenable number.

656340066164 is a deficient number, since it is larger than the sum of its proper divisors (508432446124).

656340066164 is a wasteful number, since it uses less digits than its factorization.

656340066164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311056646 (or 2311056644 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 656340066164 in words is "six hundred fifty-six billion, three hundred forty million, sixty-six thousand, one hundred sixty-four".