16165013 has 4 divisors (see below), whose sum is σ = 16185120. Its totient is φ = 16144908.

The previous prime is 16165001. The next prime is 16165031. The reversal of 16165013 is 31056161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16165013 - 2²² = 11970709 is a prime.

It is a super-2 number, since 2×16165013² = 522615290580338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16165013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16165063) 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 3 ways as a sum of consecutive naturals, for example, 8795 + ... + 10472.

It is an arithmetic number, because the mean of its divisors is an integer number (4046280).

Almost surely, 2^16165013 is an apocalyptic number.

It is an amenable number.

16165013 is a deficient number, since it is larger than the sum of its proper divisors (20107).

16165013 is an equidigital number, since it uses as much as digits as its factorization.

16165013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20106.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 16165013 is about 4020.5737152799. The cubic root of 16165013 is about 252.8475128760.

The spelling of 16165013 in words is "sixteen million, one hundred sixty-five thousand, thirteen".