656532242336 has 48 divisors (see below), whose sum is σ = 1361875032000. Its totient is φ = 310692192768.

The previous prime is 656532242213. The next prime is 656532242341. The reversal of 656532242336 is 633242235656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123101 + ... + 1152483.

It is an arithmetic number, because the mean of its divisors is an integer number (28372396500).

Almost surely, 2^656532242336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 656532242336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680937516000).

656532242336 is an abundant number, since it is smaller than the sum of its proper divisors (705342789664).

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

656532242336 is a wasteful number, since it uses less digits than its factorization.

656532242336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030461 (or 1030453 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 47.

The spelling of 656532242336 in words is "six hundred fifty-six billion, five hundred thirty-two million, two hundred forty-two thousand, three hundred thirty-six".