16872655 has 16 divisors (see below), whose sum is σ = 20734560. Its totient is φ = 13177728.

The previous prime is 16872623. The next prime is 16872659. The reversal of 16872655 is 55627861.

It is a cyclic number.

It is not a de Polignac number, because 16872655 - 2⁵ = 16872623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16872659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45049 + ... + 45421.

It is an arithmetic number, because the mean of its divisors is an integer number (1295910).

Almost surely, 2^16872655 is an apocalyptic number.

16872655 is a deficient number, since it is larger than the sum of its proper divisors (3861905).

16872655 is a wasteful number, since it uses less digits than its factorization.

16872655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570.

The product of its digits is 100800, while the sum is 40.

The square root of 16872655 is about 4107.6337470617. The cubic root of 16872655 is about 256.4845102849.

The spelling of 16872655 in words is "sixteen million, eight hundred seventy-two thousand, six hundred fifty-five".