16165001 has 2 divisors, whose sum is σ = 16165002. Its totient is φ = 16165000.

The previous prime is 16164983. The next prime is 16165031. The reversal of 16165001 is 10056161.

It is a happy number.

16165001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8880400 + 7284601 = 2980^2 + 2699^2 .

It is a cyclic number.

It is not a de Polignac number, because 16165001 - 2⁶ = 16164937 is a prime.

It is a super-2 number, since 2×16165001² = 522614514660002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16165031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8082500 + 8082501.

It is an arithmetic number, because the mean of its divisors is an integer number (8082501).

Almost surely, 2^16165001 is an apocalyptic number.

It is an amenable number.

16165001 is a deficient number, since it is larger than the sum of its proper divisors (1).

16165001 is an equidigital number, since it uses as much as digits as its factorization.

16165001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 16165001 is about 4020.5722229553. The cubic root of 16165001 is about 252.8474503093.

The spelling of 16165001 in words is "sixteen million, one hundred sixty-five thousand, one".