16138116 has 36 divisors (see below), whose sum is σ = 42306992. Its totient is φ = 5379048.

The previous prime is 16138097. The next prime is 16138139. The reversal of 16138116 is 61183161.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 16138116.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7330 + ... + 9273.

Almost surely, 2^16138116 is an apocalyptic number.

It is an amenable number.

16138116 is an abundant number, since it is smaller than the sum of its proper divisors (26168876).

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

16138116 is a wasteful number, since it uses less digits than its factorization.

16138116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16622 (or 16608 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 16138116 is about 4017.2274020772. The cubic root of 16138116 is about 252.7071971826.

The spelling of 16138116 in words is "sixteen million, one hundred thirty-eight thousand, one hundred sixteen".