16880172 has 24 divisors (see below), whose sum is σ = 39480000. Its totient is φ = 5613456.

The previous prime is 16880161. The next prime is 16880203. The reversal of 16880172 is 27108861.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4579 + ... + 7397.

It is an arithmetic number, because the mean of its divisors is an integer number (1645000).

Almost surely, 2^16880172 is an apocalyptic number.

16880172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16880172 is an abundant number, since it is smaller than the sum of its proper divisors (22599828).

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

16880172 is a wasteful number, since it uses less digits than its factorization.

16880172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325 (or 3323 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 16880172 is about 4108.5486488540. The cubic root of 16880172 is about 256.5225937562.

The spelling of 16880172 in words is "sixteen million, eight hundred eighty thousand, one hundred seventy-two".