656434436552 has 32 divisors (see below), whose sum is σ = 1231802052480. Its totient is φ = 327954006720.

The previous prime is 656434436513. The next prime is 656434436563. The reversal of 656434436552 is 255634434656.

It is a junction number, because it is equal to n+sod(n) for n = 656434436494 and 656434436503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99895427 + ... + 99901997.

It is an arithmetic number, because the mean of its divisors is an integer number (38493814140).

Almost surely, 2^656434436552 is an apocalyptic number.

It is an amenable number.

656434436552 is a deficient number, since it is larger than the sum of its proper divisors (575367615928).

656434436552 is a wasteful number, since it uses less digits than its factorization.

656434436552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14693 (or 14689 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 53.

The spelling of 656434436552 in words is "six hundred fifty-six billion, four hundred thirty-four million, four hundred thirty-six thousand, five hundred fifty-two".