9663388172 has 12 divisors (see below), whose sum is σ = 16912803600. Its totient is φ = 4831158576.

The previous prime is 9663388127. The next prime is 9663388243. The reversal of 9663388172 is 2718833669.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

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, 91808 + ... + 166599.

It is an arithmetic number, because the mean of its divisors is an integer number (1409400300).

Almost surely, 2^9663388172 is an apocalyptic number.

It is an amenable number.

9663388172 is a deficient number, since it is larger than the sum of its proper divisors (7249415428).

9663388172 is a wasteful number, since it uses less digits than its factorization.

9663388172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267760 (or 267758 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 9663388172 is about 98302.5339042692. The cubic root of 9663388172 is about 2129.9846569608.

The spelling of 9663388172 in words is "nine billion, six hundred sixty-three million, three hundred eighty-eight thousand, one hundred seventy-two".