9659657795660 has 12 divisors (see below), whose sum is σ = 20285281370928. Its totient is φ = 3863863118256.

The previous prime is 9659657795659. The next prime is 9659657795699. The reversal of 9659657795660 is 665977569569.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241491444872 + ... + 241491444911.

It is an arithmetic number, because the mean of its divisors is an integer number (1690440114244).

Almost surely, 2^{9659657795660} is an apocalyptic number.

It is an amenable number.

9659657795660 is an abundant number, since it is smaller than the sum of its proper divisors (10625623575268).

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

9659657795660 is a wasteful number, since it uses less digits than its factorization.

9659657795660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482982889792 (or 482982889790 counting only the distinct ones).

The product of its (nonzero) digits is 5786802000, while the sum is 80.

The spelling of 9659657795660 in words is "nine trillion, six hundred fifty-nine billion, six hundred fifty-seven million, seven hundred ninety-five thousand, six hundred sixty".