655456964 has 24 divisors (see below), whose sum is σ = 1221816960. Its totient is φ = 306598016.

The previous prime is 655456933. The next prime is 655456969. The reversal of 655456964 is 469654556.

It is not an unprimeable number, because it can be changed into a prime (655456969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17504 + ... + 40215.

It is an arithmetic number, because the mean of its divisors is an integer number (50909040).

Almost surely, 2^655456964 is an apocalyptic number.

It is an amenable number.

655456964 is a deficient number, since it is larger than the sum of its proper divisors (566359996).

655456964 is a wasteful number, since it uses less digits than its factorization.

655456964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57907 (or 57905 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 50.

The square root of 655456964 is about 25601.8937580797. The cubic root of 655456964 is about 868.6564738680.

The spelling of 655456964 in words is "six hundred fifty-five million, four hundred fifty-six thousand, nine hundred sixty-four".