9664336660 has 24 divisors (see below), whose sum is σ = 22140117216. Its totient is φ = 3514304160.

The previous prime is 9664336657. The next prime is 9664336727. The reversal of 9664336660 is 666334669.

It is a congruent number.

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, 21964182 + ... + 21964621.

It is an arithmetic number, because the mean of its divisors is an integer number (922504884).

Almost surely, 2^9664336660 is an apocalyptic number.

It is an amenable number.

9664336660 is an abundant number, since it is smaller than the sum of its proper divisors (12475780556).

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

9664336660 is a wasteful number, since it uses less digits than its factorization.

9664336660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43928823 (or 43928821 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 49.

The square root of 9664336660 is about 98307.3581172844. The cubic root of 9664336660 is about 2130.0543426223.

The spelling of 9664336660 in words is "nine billion, six hundred sixty-four million, three hundred thirty-six thousand, six hundred sixty".