7659664266 has 16 divisors (see below), whose sum is σ = 15847581600. Its totient is φ = 2465179248.

The previous prime is 7659664219. The next prime is 7659664297. The reversal of 7659664266 is 6624669567.

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, 22010356 + ... + 22010703.

It is an arithmetic number, because the mean of its divisors is an integer number (990473850).

Almost surely, 2^7659664266 is an apocalyptic number.

7659664266 is an abundant number, since it is smaller than the sum of its proper divisors (8187917334).

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

7659664266 is a wasteful number, since it uses less digits than its factorization.

7659664266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44021093.

The product of its digits is 19595520, while the sum is 57.

The square root of 7659664266 is about 87519.5079168068. The cubic root of 7659664266 is about 1971.2267232250.

The spelling of 7659664266 in words is "seven billion, six hundred fifty-nine million, six hundred sixty-four thousand, two hundred sixty-six".