16413918 has 32 divisors (see below), whose sum is σ = 33696000. Its totient is φ = 5328576.

The previous prime is 16413889. The next prime is 16413931. The reversal of 16413918 is 81931461.

It is a super-2 number, since 2×16413918² = 538833408221448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70330 + ... + 70562.

It is an arithmetic number, because the mean of its divisors is an integer number (1053000).

Almost surely, 2^16413918 is an apocalyptic number.

16413918 is an abundant number, since it is smaller than the sum of its proper divisors (17282082).

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

16413918 is a wasteful number, since it uses less digits than its factorization.

16413918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its digits is 5184, while the sum is 33.

The square root of 16413918 is about 4051.4093843995. The cubic root of 16413918 is about 254.1386702240.

The spelling of 16413918 in words is "sixteen million, four hundred thirteen thousand, nine hundred eighteen".