656505624561332 has 48 divisors (see below), whose sum is σ = 1414045163314560. Its totient is φ = 259710440614272.

The previous prime is 656505624561277. The next prime is 656505624561343. The reversal of 656505624561332 is 233165426505656.

It is a super-2 number, since 2×656505624561332² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5465918 + ... + 36645429.

It is an arithmetic number, because the mean of its divisors is an integer number (29459274235720).

Almost surely, 2^{656505624561332} is an apocalyptic number.

It is an amenable number.

656505624561332 is an abundant number, since it is smaller than the sum of its proper divisors (757539538753228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

656505624561332 is a wasteful number, since it uses less digits than its factorization.

656505624561332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42154200 (or 42154198 counting only the distinct ones).

The product of its (nonzero) digits is 116640000, while the sum is 59.

The spelling of 656505624561332 in words is "six hundred fifty-six trillion, five hundred five billion, six hundred twenty-four million, five hundred sixty-one thousand, three hundred thirty-two".