16444953 has 12 divisors (see below), whose sum is σ = 27147328. Its totient is φ = 9397080.

The previous prime is 16444919. The next prime is 16444993. The reversal of 16444953 is 35944461.

16444953 is a `hidden beast` number, since 1 + 644 + 4 + 9 + 5 + 3 = 666.

It is not a de Polignac number, because 16444953 - 2⁶ = 16444889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16444993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130453 + ... + 130578.

Almost surely, 2^16444953 is an apocalyptic number.

It is an amenable number.

16444953 is a deficient number, since it is larger than the sum of its proper divisors (10702375).

16444953 is a wasteful number, since it uses less digits than its factorization.

16444953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261044 (or 261041 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 16444953 is about 4055.2377242278. The cubic root of 16444953 is about 254.2987422612.

The spelling of 16444953 in words is "sixteen million, four hundred forty-four thousand, nine hundred fifty-three".