16013994 has 8 divisors (see below), whose sum is σ = 32028000. Its totient is φ = 5337996.

The previous prime is 16013971. The next prime is 16013999. The reversal of 16013994 is 49931061.

It is a sphenic number, since it is the product of 3 distinct primes.

16013994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (16013999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334494 + ... + 1334505.

It is an arithmetic number, because the mean of its divisors is an integer number (4003500).

Almost surely, 2^16013994 is an apocalyptic number.

16013994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16013994 is a wasteful number, since it uses less digits than its factorization.

16013994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669004.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 16013994 is about 4001.7488676827. The cubic root of 16013994 is about 252.0576524681.

The spelling of 16013994 in words is "sixteen million, thirteen thousand, nine hundred ninety-four".