656954713067908 has 12 divisors (see below), whose sum is σ = 1149704941089600. Its totient is φ = 328467587042312.

The previous prime is 656954713067893. The next prime is 656954713067969. The reversal of 656954713067908 is 809760317459656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2442221608 + ... + 2442490591.

It is an arithmetic number, because the mean of its divisors is an integer number (95808745090800).

Almost surely, 2^{656954713067908} is an apocalyptic number.

It is an amenable number.

656954713067908 is a deficient number, since it is larger than the sum of its proper divisors (492750228021692).

656954713067908 is a wasteful number, since it uses less digits than its factorization.

656954713067908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4884745826 (or 4884745824 counting only the distinct ones).

The product of its (nonzero) digits is 2057529600, while the sum is 76.

The spelling of 656954713067908 in words is "six hundred fifty-six trillion, nine hundred fifty-four billion, seven hundred thirteen million, sixty-seven thousand, nine hundred eight".