656375464552 has 64 divisors (see below), whose sum is σ = 1299581418240. Its totient is φ = 310441267200.

The previous prime is 656375464529. The next prime is 656375464601. The reversal of 656375464552 is 255464573656.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1450552 + ... + 1848472.

It is an arithmetic number, because the mean of its divisors is an integer number (20305959660).

Almost surely, 2^656375464552 is an apocalyptic number.

It is an amenable number.

656375464552 is a deficient number, since it is larger than the sum of its proper divisors (643205953688).

656375464552 is a wasteful number, since it uses less digits than its factorization.

656375464552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398122 (or 398118 counting only the distinct ones).

The product of its digits is 90720000, while the sum is 58.

The spelling of 656375464552 in words is "six hundred fifty-six billion, three hundred seventy-five million, four hundred sixty-four thousand, five hundred fifty-two".