16944516 has 36 divisors (see below), whose sum is σ = 42966924. Its totient is φ = 5630400.

The previous prime is 16944509. The next prime is 16944527. The reversal of 16944516 is 61544961.

It can be written as a sum of positive squares in 2 ways, for example, as 7617600 + 9326916 = 2760^2 + 3054^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16086 + ... + 17106.

Almost surely, 2^16944516 is an apocalyptic number.

It is an amenable number.

16944516 is an abundant number, since it is smaller than the sum of its proper divisors (26022408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16944516 is a wasteful number, since it uses less digits than its factorization.

16944516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492 (or 1487 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 16944516 is about 4116.3717033329. The cubic root of 16944516 is about 256.8481189126.

The spelling of 16944516 in words is "sixteen million, nine hundred forty-four thousand, five hundred sixteen".