16044365 has 4 divisors (see below), whose sum is σ = 19253244. Its totient is φ = 12835488.

The previous prime is 16044361. The next prime is 16044373. The reversal of 16044365 is 56344061.

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: 56344061 = 43 ⋅1310327.

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 12411529 = 1906^2 + 3523^2 .

It is a cyclic number.

It is not a de Polignac number, because 16044365 - 2² = 16044361 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16044361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604432 + ... + 1604441.

It is an arithmetic number, because the mean of its divisors is an integer number (4813311).

Almost surely, 2^16044365 is an apocalyptic number.

It is an amenable number.

16044365 is a deficient number, since it is larger than the sum of its proper divisors (3208879).

16044365 is an equidigital number, since it uses as much as digits as its factorization.

16044365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208878.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 16044365 is about 4005.5417860759. The cubic root of 16044365 is about 252.2168967015.

The spelling of 16044365 in words is "sixteen million, forty-four thousand, three hundred sixty-five".