16872559 has 8 divisors (see below), whose sum is σ = 18437328. Its totient is φ = 15312960.

The previous prime is 16872553. The next prime is 16872571. The reversal of 16872559 is 95527861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16872559 - 2⁷ = 16872431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16872553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9489 + ... + 11125.

It is an arithmetic number, because the mean of its divisors is an integer number (2304666).

Almost surely, 2^16872559 is an apocalyptic number.

16872559 is a deficient number, since it is larger than the sum of its proper divisors (1564769).

16872559 is a wasteful number, since it uses less digits than its factorization.

16872559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585.

The product of its digits is 151200, while the sum is 43.

The square root of 16872559 is about 4107.6220614852. The cubic root of 16872559 is about 256.4840238458.

It can be divided in two parts, 168 and 72559, that added together give a palindrome (72727).

The spelling of 16872559 in words is "sixteen million, eight hundred seventy-two thousand, five hundred fifty-nine".