16890159 has 16 divisors (see below), whose sum is σ = 26457984. Its totient is φ = 9448800.

The previous prime is 16890131. The next prime is 16890161. The reversal of 16890159 is 95109861.

It is not a de Polignac number, because 16890159 - 2¹⁵ = 16857391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16890109) 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, 19257 + ... + 20114.

It is an arithmetic number, because the mean of its divisors is an integer number (1653624).

Almost surely, 2^16890159 is an apocalyptic number.

16890159 is a deficient number, since it is larger than the sum of its proper divisors (9567825).

16890159 is a wasteful number, since it uses less digits than its factorization.

16890159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39398.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 16890159 is about 4109.7638618295. The cubic root of 16890159 is about 256.5731735345.

The spelling of 16890159 in words is "sixteen million, eight hundred ninety thousand, one hundred fifty-nine".