656554412 has 12 divisors (see below), whose sum is σ = 1198925616. Its totient is φ = 314004240.

The previous prime is 656554369. The next prime is 656554417. The reversal of 656554412 is 214455656.

It is not an unprimeable number, because it can be changed into a prime (656554417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3568139 + ... + 3568322.

It is an arithmetic number, because the mean of its divisors is an integer number (99910468).

Almost surely, 2^656554412 is an apocalyptic number.

It is an amenable number.

656554412 is a deficient number, since it is larger than the sum of its proper divisors (542371204).

656554412 is a wasteful number, since it uses less digits than its factorization.

656554412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136488 (or 7136486 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The square root of 656554412 is about 25623.3177399025. The cubic root of 656554412 is about 869.1410079712.

The spelling of 656554412 in words is "six hundred fifty-six million, five hundred fifty-four thousand, four hundred twelve".