16044065 has 4 divisors (see below), whose sum is σ = 19252884. Its totient is φ = 12835248.

The previous prime is 16044059. The next prime is 16044089. The reversal of 16044065 is 56044061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56044061 = 2311 ⋅24251.

It can be written as a sum of positive squares in 2 ways, for example, as 7447441 + 8596624 = 2729^2 + 2932^2 .

It is a cyclic number.

It is not a de Polignac number, because 16044065 - 2¹⁴ = 16027681 is a prime.

It is a Duffinian 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, 1604402 + ... + 1604411.

It is an arithmetic number, because the mean of its divisors is an integer number (4813221).

Almost surely, 2^16044065 is an apocalyptic number.

It is an amenable number.

16044065 is a deficient number, since it is larger than the sum of its proper divisors (3208819).

16044065 is an equidigital number, since it uses as much as digits as its factorization.

16044065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208818.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 16044065 is about 4005.5043377832. The cubic root of 16044065 is about 252.2153246950.

The spelling of 16044065 in words is "sixteen million, forty-four thousand, sixty-five".