656422202604 has 24 divisors (see below), whose sum is σ = 1750459207168. Its totient is φ = 187549200720.

The previous prime is 656422202561. The next prime is 656422202627. The reversal of 656422202604 is 406202224656.

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, 3907274932 + ... + 3907275099.

Almost surely, 2^656422202604 is an apocalyptic number.

It is an amenable number.

656422202604 is an abundant number, since it is smaller than the sum of its proper divisors (1094037004564).

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

656422202604 is a wasteful number, since it uses less digits than its factorization.

656422202604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7814550045 (or 7814550043 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 656422202604 in words is "six hundred fifty-six billion, four hundred twenty-two million, two hundred two thousand, six hundred four".