16118613318 has 16 divisors (see below), whose sum is σ = 32239563840. Its totient is φ = 5372481576.

The previous prime is 16118613307. The next prime is 16118613323. The reversal of 16118613318 is 81331681161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280 + ... + 179547.

It is an arithmetic number, because the mean of its divisors is an integer number (2014972740).

Almost surely, 2^16118613318 is an apocalyptic number.

16118613318 is an abundant number, since it is smaller than the sum of its proper divisors (16120950522).

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

16118613318 is a wasteful number, since it uses less digits than its factorization.

16118613318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194771.

The product of its digits is 20736, while the sum is 39.

The spelling of 16118613318 in words is "sixteen billion, one hundred eighteen million, six hundred thirteen thousand, three hundred eighteen".