16138087 has 16 divisors (see below), whose sum is σ = 19699200. Its totient is φ = 12912480.

The previous prime is 16138027. The next prime is 16138097. The reversal of 16138087 is 78083161.

It is not a de Polignac number, because 16138087 - 2¹¹ = 16136039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16138027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8589 + ... + 10297.

It is an arithmetic number, because the mean of its divisors is an integer number (1231200).

Almost surely, 2^16138087 is an apocalyptic number.

16138087 is a deficient number, since it is larger than the sum of its proper divisors (3561113).

16138087 is a wasteful number, since it uses less digits than its factorization.

16138087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 16138087 is about 4017.2237926210. The cubic root of 16138087 is about 252.7070458119.

The spelling of 16138087 in words is "sixteen million, one hundred thirty-eight thousand, eighty-seven".