16918412 has 24 divisors (see below), whose sum is σ = 34159104. Its totient is φ = 7181712.

The previous prime is 16918399. The next prime is 16918423. The reversal of 16918412 is 21481961.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173 + ... + 5819.

It is an arithmetic number, because the mean of its divisors is an integer number (1423296).

Almost surely, 2^16918412 is an apocalyptic number.

It is an amenable number.

16918412 is an abundant number, since it is smaller than the sum of its proper divisors (17240692).

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

16918412 is a wasteful number, since it uses less digits than its factorization.

16918412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765 (or 5763 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The square root of 16918412 is about 4113.1997277059. The cubic root of 16918412 is about 256.7161546974.

It can be divided in two parts, 169 and 18412, that added together give a palindrome (18581).

The spelling of 16918412 in words is "sixteen million, nine hundred eighteen thousand, four hundred twelve".