16887157 has 16 divisors (see below), whose sum is σ = 20275200. Its totient is φ = 13759920.

The previous prime is 16887151. The next prime is 16887161. The reversal of 16887157 is 75178861.

It is a cyclic number.

It is not a de Polignac number, because 16887157 - 2¹⁵ = 16854389 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 (16887151) 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, 12144 + ... + 13462.

It is an arithmetic number, because the mean of its divisors is an integer number (1267200).

Almost surely, 2^16887157 is an apocalyptic number.

It is an amenable number.

16887157 is a deficient number, since it is larger than the sum of its proper divisors (3388043).

16887157 is a wasteful number, since it uses less digits than its factorization.

16887157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416.

The product of its digits is 94080, while the sum is 43.

The square root of 16887157 is about 4109.3986178029. The cubic root of 16887157 is about 256.5579718164.

The spelling of 16887157 in words is "sixteen million, eight hundred eighty-seven thousand, one hundred fifty-seven".