656224364 has 12 divisors (see below), whose sum is σ = 1149604344. Its totient is φ = 327765984.

The previous prime is 656224343. The next prime is 656224379. The reversal of 656224364 is 463422656.

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, 82262 + ... + 89885.

It is an arithmetic number, because the mean of its divisors is an integer number (95800362).

Almost surely, 2^656224364 is an apocalyptic number.

It is an amenable number.

656224364 is a deficient number, since it is larger than the sum of its proper divisors (493379980).

656224364 is a wasteful number, since it uses less digits than its factorization.

656224364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173104 (or 173102 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 656224364 is about 25616.8765465269. The cubic root of 656224364 is about 868.9953453385.

The spelling of 656224364 in words is "six hundred fifty-six million, two hundred twenty-four thousand, three hundred sixty-four".