656954132 has 6 divisors (see below), whose sum is σ = 1149669738. Its totient is φ = 328477064.

The previous prime is 656954107. The next prime is 656954141. The reversal of 656954132 is 231459656.

It can be written as a sum of positive squares in only one way, i.e., 634334596 + 22619536 = 25186^2 + 4756^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 656954132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82119263 + ... + 82119270.

It is an arithmetic number, because the mean of its divisors is an integer number (191611623).

Almost surely, 2^656954132 is an apocalyptic number.

It is an amenable number.

656954132 is a deficient number, since it is larger than the sum of its proper divisors (492715606).

656954132 is a wasteful number, since it uses less digits than its factorization.

656954132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164238537 (or 164238535 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 656954132 is about 25631.1164797790. The cubic root of 656954132 is about 869.3173541393.

The spelling of 656954132 in words is "six hundred fifty-six million, nine hundred fifty-four thousand, one hundred thirty-two".