7656636216504 has 64 divisors (see below), whose sum is σ = 20936832336000. Its totient is φ = 2314070881920.

The previous prime is 7656636216451. The next prime is 7656636216511. The reversal of 7656636216504 is 4056126366567.

It is a congruent 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, 38161699 + ... + 38361810.

It is an arithmetic number, because the mean of its divisors is an integer number (327138005250).

Almost surely, 2^{7656636216504} is an apocalyptic number.

It is an amenable number.

7656636216504 is an abundant number, since it is smaller than the sum of its proper divisors (13280196119496).

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

7656636216504 is a wasteful number, since it uses less digits than its factorization.

7656636216504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76523908 (or 76523904 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 57.

The spelling of 7656636216504 in words is "seven trillion, six hundred fifty-six billion, six hundred thirty-six million, two hundred sixteen thousand, five hundred four".