9166972032 has 48 divisors (see below), whose sum is σ = 26378920230. Its totient is φ = 3055656960.

The previous prime is 9166971953. The next prime is 9166972063. The reversal of 9166972032 is 2302796619.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4814139456 + 4352832576 = 69384^2 + 65976^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3977569 + ... + 3979872.

Almost surely, 2^9166972032 is an apocalyptic number.

It is an amenable number.

9166972032 is an abundant number, since it is smaller than the sum of its proper divisors (17211948198).

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

9166972032 is a wasteful number, since it uses less digits than its factorization.

9166972032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7957461 (or 7957446 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 9166972032 is about 95744.3054807961. The cubic root of 9166972032 is about 2092.8686318429.

The spelling of 9166972032 in words is "nine billion, one hundred sixty-six million, nine hundred seventy-two thousand, thirty-two".