38565656564 has 24 divisors (see below), whose sum is σ = 68790321600. Its totient is φ = 18912769920.

The previous prime is 38565656551. The next prime is 38565656639. The reversal of 38565656564 is 46565656583.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

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, 82517 + ... + 289724.

It is an arithmetic number, because the mean of its divisors is an integer number (2866263400).

Almost surely, 2^38565656564 is an apocalyptic number.

It is an amenable number.

38565656564 is a deficient number, since it is larger than the sum of its proper divisors (30224665036).

38565656564 is a wasteful number, since it uses less digits than its factorization.

38565656564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372743 (or 372741 counting only the distinct ones).

The product of its digits is 77760000, while the sum is 59.

The spelling of 38565656564 in words is "thirty-eight billion, five hundred sixty-five million, six hundred fifty-six thousand, five hundred sixty-four".