9161664 has 28 divisors (see below), whose sum is σ = 24240744. Its totient is φ = 3053824.

The previous prime is 9161641. The next prime is 9161671. The reversal of 9161664 is 4661619.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 23667 + ... + 24050.

Almost surely, 2^9161664 is an apocalyptic number.

It is an amenable number.

9161664 is an abundant number, since it is smaller than the sum of its proper divisors (15079080).

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

9161664 is a wasteful number, since it uses less digits than its factorization.

9161664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47732 (or 47722 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 9161664 is about 3026.8240781387. The cubic root of 9161664 is about 209.2464603173.

The spelling of 9161664 in words is "nine million, one hundred sixty-one thousand, six hundred sixty-four".