16004051 has 4 divisors (see below), whose sum is σ = 18290352. Its totient is φ = 13717752.

The previous prime is 16004047. The next prime is 16004059. The reversal of 16004051 is 15040061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16004051 - 2² = 16004047 is a prime.

It is a super-2 number, since 2×16004051² = 512259296821202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16004059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143140 + ... + 1143153.

It is an arithmetic number, because the mean of its divisors is an integer number (4572588).

Almost surely, 2^16004051 is an apocalyptic number.

16004051 is a deficient number, since it is larger than the sum of its proper divisors (2286301).

16004051 is an equidigital number, since it uses as much as digits as its factorization.

16004051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286300.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 16004051 is about 4000.5063429521. The cubic root of 16004051 is about 252.0054746018.

The spelling of 16004051 in words is "sixteen million, four thousand, fifty-one".