16165413 has 20 divisors (see below), whose sum is σ = 26345088. Its totient is φ = 9796680.

The previous prime is 16165403. The next prime is 16165483. The reversal of 16165413 is 31456161.

16165413 is a `hidden beast` number, since 1 + 6 + 1 + 654 + 1 + 3 = 666.

It is not a de Polignac number, because 16165413 - 2⁴ = 16165397 is a prime.

It is a super-2 number, since 2×16165413² = 522641154921138, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16165403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8181 + ... + 9962.

Almost surely, 2^16165413 is an apocalyptic number.

It is an amenable number.

16165413 is a deficient number, since it is larger than the sum of its proper divisors (10179675).

16165413 is a wasteful number, since it uses less digits than its factorization.

16165413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18166 (or 18157 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 16165413 is about 4020.6234591168. The cubic root of 16165413 is about 252.8495984124.

The spelling of 16165413 in words is "sixteen million, one hundred sixty-five thousand, four hundred thirteen".