7659790271664 has 40 divisors (see below), whose sum is σ = 19820390937600. Its totient is φ = 2549057049408.

The previous prime is 7659790271587. The next prime is 7659790271671. The reversal of 7659790271664 is 4661720979567.

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, 131419764 + ... + 131478035.

It is an arithmetic number, because the mean of its divisors is an integer number (495509773440).

Almost surely, 2^{7659790271664} is an apocalyptic number.

It is an amenable number.

7659790271664 is an abundant number, since it is smaller than the sum of its proper divisors (12160600665936).

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

7659790271664 is a wasteful number, since it uses less digits than its factorization.

7659790271664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262898417 (or 262898411 counting only the distinct ones).

The product of its (nonzero) digits is 240045120, while the sum is 69.

The spelling of 7659790271664 in words is "seven trillion, six hundred fifty-nine billion, seven hundred ninety million, two hundred seventy-one thousand, six hundred sixty-four".