16444636304 has 20 divisors (see below), whose sum is σ = 32090706480. Its totient is φ = 8163163680.

The previous prime is 16444636303. The next prime is 16444636337. The reversal of 16444636304 is 40363644461.

It is not an unprimeable number, because it can be changed into a prime (16444636303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3694862 + ... + 3699309.

It is an arithmetic number, because the mean of its divisors is an integer number (1604535324).

Almost surely, 2^16444636304 is an apocalyptic number.

It is an amenable number.

16444636304 is a deficient number, since it is larger than the sum of its proper divisors (15646070176).

16444636304 is a wasteful number, since it uses less digits than its factorization.

16444636304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7394318 (or 7394312 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 16444636304 in words is "sixteen billion, four hundred forty-four million, six hundred thirty-six thousand, three hundred four".