9169664 has 108 divisors (see below), whose sum is σ = 23068584. Its totient is φ = 3612672.

The previous prime is 9169661. The next prime is 9169669. The reversal of 9169664 is 4669619.

9169664 = T₁₂₇ + T₁₂₈ + ... + T₃₈₄.

9169664 = 200² + 201² + ... + 328².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9169661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213227 + ... + 213269.

It is an arithmetic number, because the mean of its divisors is an integer number (213598).

Almost surely, 2^9169664 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 9169664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11534292).

9169664 is an abundant number, since it is smaller than the sum of its proper divisors (13898920).

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

9169664 is a wasteful number, since it uses less digits than its factorization.

9169664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 69 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 9169664 is about 3028.1453069495. The cubic root of 9169664 is about 209.3073475346.

The spelling of 9169664 in words is "nine million, one hundred sixty-nine thousand, six hundred sixty-four".