7637980063656 has 16 divisors (see below), whose sum is σ = 19094950159200. Its totient is φ = 2545993354544.

The previous prime is 7637980063633. The next prime is 7637980063667. The reversal of 7637980063656 is 6563600897367.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159124584636 + ... + 159124584683.

It is an arithmetic number, because the mean of its divisors is an integer number (1193434384950).

Almost surely, 2^{7637980063656} is an apocalyptic number.

It is an amenable number.

7637980063656 is an abundant number, since it is smaller than the sum of its proper divisors (11456970095544).

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

7637980063656 is a wasteful number, since it uses less digits than its factorization.

7637980063656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318249169328 (or 318249169324 counting only the distinct ones).

The product of its (nonzero) digits is 205752960, while the sum is 66.

The spelling of 7637980063656 in words is "seven trillion, six hundred thirty-seven billion, nine hundred eighty million, sixty-three thousand, six hundred fifty-six".