656534524412 has 24 divisors (see below), whose sum is σ = 1237341037296. Its totient is φ = 303009573888.

The previous prime is 656534524409. The next prime is 656534524417. The reversal of 656534524412 is 214425435656.

656534524412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656534524417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3136823 + ... + 3339569.

It is an arithmetic number, because the mean of its divisors is an integer number (51555876554).

Almost surely, 2^656534524412 is an apocalyptic number.

It is an amenable number.

656534524412 is a deficient number, since it is larger than the sum of its proper divisors (580806512884).

656534524412 is a wasteful number, since it uses less digits than its factorization.

656534524412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265037 (or 265035 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 47.

The spelling of 656534524412 in words is "six hundred fifty-six billion, five hundred thirty-four million, five hundred twenty-four thousand, four hundred twelve".