16381914 has 64 divisors (see below), whose sum is σ = 37324800. Its totient is φ = 4762368.

The previous prime is 16381891. The next prime is 16381961. The reversal of 16381914 is 41918361.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153049 + ... + 153155.

It is an arithmetic number, because the mean of its divisors is an integer number (583200).

Almost surely, 2^16381914 is an apocalyptic number.

16381914 is an abundant number, since it is smaller than the sum of its proper divisors (20942886).

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

16381914 is a wasteful number, since it uses less digits than its factorization.

16381914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227.

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

The square root of 16381914 is about 4047.4577205945. The cubic root of 16381914 is about 253.9733888255.

The spelling of 16381914 in words is "sixteen million, three hundred eighty-one thousand, nine hundred fourteen".