16045165 has 4 divisors (see below), whose sum is σ = 19254204. Its totient is φ = 12836128.

The previous prime is 16045157. The next prime is 16045199. The reversal of 16045165 is 56154061.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7295401 + 8749764 = 2701^2 + 2958^2 .

It is a cyclic number.

It is not a de Polignac number, because 16045165 - 2³ = 16045157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604512 + ... + 1604521.

It is an arithmetic number, because the mean of its divisors is an integer number (4813551).

Almost surely, 2^16045165 is an apocalyptic number.

It is an amenable number.

16045165 is a deficient number, since it is larger than the sum of its proper divisors (3209039).

16045165 is an equidigital number, since it uses as much as digits as its factorization.

16045165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209038.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 16045165 is about 4005.6416464781. The cubic root of 16045165 is about 252.2210886232.

The spelling of 16045165 in words is "sixteen million, forty-five thousand, one hundred sixty-five".