656676976 has 20 divisors (see below), whose sum is σ = 1284205752. Its totient is φ = 325269056.

The previous prime is 656676973. The next prime is 656676989. The reversal of 656676976 is 679676656.

It is a self number, because there is not a number n which added to its sum of digits gives 656676976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656676971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190075 + ... + 193498.

Almost surely, 2^656676976 is an apocalyptic number.

It is an amenable number.

656676976 is a deficient number, since it is larger than the sum of its proper divisors (627528776).

656676976 is a wasteful number, since it uses less digits than its factorization.

656676976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383688 (or 383682 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 58.

The square root of 656676976 is about 25625.7092779888. The cubic root of 656676976 is about 869.1950876578.

The spelling of 656676976 in words is "six hundred fifty-six million, six hundred seventy-six thousand, nine hundred seventy-six".