9161662032 has 160 divisors (see below), whose sum is σ = 28009100160. Its totient is φ = 2857236480.

The previous prime is 9161662021. The next prime is 9161662039. The reversal of 9161662032 is 2302661619.

It is a happy number.

9161662032 is a `hidden beast` number, since 9 + 1 + 616 + 6 + 2 + 0 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9161662039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1266907 + ... + 1274117.

It is an arithmetic number, because the mean of its divisors is an integer number (175056876).

Almost surely, 2^9161662032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9161662032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14004550080).

9161662032 is an abundant number, since it is smaller than the sum of its proper divisors (18847438128).

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

9161662032 is a wasteful number, since it uses less digits than its factorization.

9161662032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7418 (or 7406 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 9161662032 is about 95716.5713552256. The cubic root of 9161662032 is about 2092.4644533472.

The spelling of 9161662032 in words is "nine billion, one hundred sixty-one million, six hundred sixty-two thousand, thirty-two".