16158087 has 24 divisors (see below), whose sum is σ = 25608960. Its totient is φ = 9736080.

The previous prime is 16158061. The next prime is 16158091. The reversal of 16158087 is 78085161.

It is not a de Polignac number, because 16158087 - 2¹¹ = 16156039 is a prime.

It is a super-2 number, since 2×16158087² = 522167550999138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16158287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22114 + ... + 22832.

It is an arithmetic number, because the mean of its divisors is an integer number (1067040).

Almost surely, 2^16158087 is an apocalyptic number.

16158087 is a deficient number, since it is larger than the sum of its proper divisors (9450873).

16158087 is a wasteful number, since it uses less digits than its factorization.

16158087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 16158087 is about 4019.7123031381. The cubic root of 16158087 is about 252.8113963561.

The spelling of 16158087 in words is "sixteen million, one hundred fifty-eight thousand, eighty-seven".