16872618 has 32 divisors (see below), whose sum is σ = 39813120. Its totient is φ = 4664880.

The previous prime is 16872617. The next prime is 16872623. The reversal of 16872618 is 81627861.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16872617) 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, 5178 + ... + 7781.

It is an arithmetic number, because the mean of its divisors is an integer number (1244160).

Almost surely, 2^16872618 is an apocalyptic number.

16872618 is an abundant number, since it is smaller than the sum of its proper divisors (22940502).

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

16872618 is a wasteful number, since it uses less digits than its factorization.

16872618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13002.

The product of its digits is 32256, while the sum is 39.

The square root of 16872618 is about 4107.6292432497. The cubic root of 16872618 is about 256.4843228034.

The spelling of 16872618 in words is "sixteen million, eight hundred seventy-two thousand, six hundred eighteen".