16944918 has 32 divisors (see below), whose sum is σ = 34801920. Its totient is φ = 5498400.

The previous prime is 16944913. The next prime is 16944919. The reversal of 16944918 is 81944961.

It is a self number, because there is not a number n which added to its sum of digits gives 16944918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16944911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53296 + ... + 53612.

It is an arithmetic number, because the mean of its divisors is an integer number (1087560).

Almost surely, 2^16944918 is an apocalyptic number.

16944918 is an abundant number, since it is smaller than the sum of its proper divisors (17857002).

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

16944918 is a wasteful number, since it uses less digits than its factorization.

16944918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532.

The product of its digits is 62208, while the sum is 42.

The square root of 16944918 is about 4116.4205324529. The cubic root of 16944918 is about 256.8501500934.

The spelling of 16944918 in words is "sixteen million, nine hundred forty-four thousand, nine hundred eighteen".