656226464536 has 16 divisors (see below), whose sum is σ = 1230484062600. Its totient is φ = 328097381184.

The previous prime is 656226464527. The next prime is 656226464557. The reversal of 656226464536 is 635464622656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1804510 + ... + 2137453.

Almost surely, 2^656226464536 is an apocalyptic number.

It is an amenable number.

656226464536 is a deficient number, since it is larger than the sum of its proper divisors (574257598064).

656226464536 is a wasteful number, since it uses less digits than its factorization.

656226464536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962778 (or 3962774 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 55.

The spelling of 656226464536 in words is "six hundred fifty-six billion, two hundred twenty-six million, four hundred sixty-four thousand, five hundred thirty-six".