16131668 has 12 divisors (see below), whose sum is σ = 32263392. Its totient is φ = 6913560.

The previous prime is 16131653. The next prime is 16131677. The reversal of 16131668 is 86613161.

16131668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

16131668 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288038 + ... + 288093.

It is an arithmetic number, because the mean of its divisors is an integer number (2688616).

Almost surely, 2^16131668 is an apocalyptic number.

It is an amenable number.

16131668 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.

16131668 is a wasteful number, since it uses less digits than its factorization.

16131668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576142 (or 576140 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 16131668 is about 4016.4247783321. The cubic root of 16131668 is about 252.6735362300.

The spelling of 16131668 in words is "sixteen million, one hundred thirty-one thousand, six hundred sixty-eight".