16604880 has 80 divisors (see below), whose sum is σ = 52704960. Its totient is φ = 4322304.

The previous prime is 16604867. The next prime is 16604893. The reversal of 16604880 is 8840661.

It is an interprime number because it is at equal distance from previous prime (16604867) and next prime (16604893).

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9516 + ... + 11124.

It is an arithmetic number, because the mean of its divisors is an integer number (658812).

Almost surely, 2^16604880 is an apocalyptic number.

16604880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16604880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26352480).

16604880 is an abundant number, since it is smaller than the sum of its proper divisors (36100080).

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

16604880 is a wasteful number, since it uses less digits than its factorization.

16604880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 16604880 is about 4074.9085879318. The cubic root of 16604880 is about 255.1204352285.

The spelling of 16604880 in words is "sixteen million, six hundred four thousand, eight hundred eighty".