16444465 has 16 divisors (see below), whose sum is σ = 20487168. Its totient is φ = 12661056.

The previous prime is 16444459. The next prime is 16444487. The reversal of 16444465 is 56444461.

It is a cyclic number.

It is not a de Polignac number, because 16444465 - 2⁵ = 16444433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16444465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18624 + ... + 19486.

It is an arithmetic number, because the mean of its divisors is an integer number (1280448).

Almost surely, 2^16444465 is an apocalyptic number.

It is an amenable number.

16444465 is a deficient number, since it is larger than the sum of its proper divisors (4042703).

16444465 is a wasteful number, since it uses less digits than its factorization.

16444465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008.

The product of its digits is 46080, while the sum is 34.

The square root of 16444465 is about 4055.1775546824. The cubic root of 16444465 is about 254.2962268184.

The spelling of 16444465 in words is "sixteen million, four hundred forty-four thousand, four hundred sixty-five".