16444672 has 18 divisors (see below), whose sum is σ = 32825618. Its totient is φ = 8222208.

The previous prime is 16444639. The next prime is 16444679. The reversal of 16444672 is 27644461.

16444672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 15492096 + 952576 = 3936^2 + 976^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16444679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31863 + ... + 32374.

Almost surely, 2^16444672 is an apocalyptic number.

It is an amenable number.

16444672 is a deficient number, since it is larger than the sum of its proper divisors (16380946).

16444672 is an frugal number, since it uses more digits than its factorization.

16444672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64253 (or 64239 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 16444672 is about 4055.2030775289. The cubic root of 16444672 is about 254.2972938259.

The spelling of 16444672 in words is "sixteen million, four hundred forty-four thousand, six hundred seventy-two".