656012356232 has 32 divisors (see below), whose sum is σ = 1234644072480. Its totient is φ = 326775651840.

The previous prime is 656012356177. The next prime is 656012356253. The reversal of 656012356232 is 232653210656.

It is a self number, because there is not a number n which added to its sum of digits gives 656012356232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2974523 + ... + 3187445.

It is an arithmetic number, because the mean of its divisors is an integer number (38582627265).

Almost surely, 2^656012356232 is an apocalyptic number.

It is an amenable number.

656012356232 is a deficient number, since it is larger than the sum of its proper divisors (578631716248).

656012356232 is a wasteful number, since it uses less digits than its factorization.

656012356232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214373 (or 214369 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

Adding to 656012356232 its reverse (232653210656), we get a palindrome (888665566888).

The spelling of 656012356232 in words is "six hundred fifty-six billion, twelve million, three hundred fifty-six thousand, two hundred thirty-two".