656101542412 has 24 divisors (see below), whose sum is σ = 1166290033104. Its totient is φ = 322914875712.

The previous prime is 656101542389. The next prime is 656101542433. The reversal of 656101542412 is 214245101656.

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, 4814803 + ... + 4949194.

It is an arithmetic number, because the mean of its divisors is an integer number (48595418046).

Almost surely, 2^656101542412 is an apocalyptic number.

It is an amenable number.

656101542412 is a deficient number, since it is larger than the sum of its proper divisors (510188490692).

656101542412 is a wasteful number, since it uses less digits than its factorization.

656101542412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9764265 (or 9764263 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 656101542412 in words is "six hundred fifty-six billion, one hundred one million, five hundred forty-two thousand, four hundred twelve".