9664933768 has 16 divisors (see below), whose sum is σ = 20710572480. Its totient is φ = 4142114448.

The previous prime is 9664933741. The next prime is 9664933787. The reversal of 9664933768 is 8673394669.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86293996 + ... + 86294107.

It is an arithmetic number, because the mean of its divisors is an integer number (1294410780).

Almost surely, 2^9664933768 is an apocalyptic number.

It is an amenable number.

9664933768 is an abundant number, since it is smaller than the sum of its proper divisors (11045638712).

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

9664933768 is a wasteful number, since it uses less digits than its factorization.

9664933768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172588116 (or 172588112 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 61.

The square root of 9664933768 is about 98310.3950149729. The cubic root of 9664933768 is about 2130.0982099647.

The spelling of 9664933768 in words is "nine billion, six hundred sixty-four million, nine hundred thirty-three thousand, seven hundred sixty-eight".