16632880 has 80 divisors (see below), whose sum is σ = 43309728. Its totient is φ = 5888000.

The previous prime is 16632871. The next prime is 16632883. The reversal of 16632880 is 8823661.

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

It is a super-3 number, since 3×16632880³ (a number of 23 digits) contains 333 as substring.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16632883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35850 + ... + 36310.

Almost surely, 2^16632880 is an apocalyptic number.

16632880 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 16632880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21654864).

16632880 is an abundant number, since it is smaller than the sum of its proper divisors (26676848).

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

16632880 is a wasteful number, since it uses less digits than its factorization.

16632880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 16632880 is about 4078.3428006974. The cubic root of 16632880 is about 255.2637537543.

The spelling of 16632880 in words is "sixteen million, six hundred thirty-two thousand, eight hundred eighty".