16118978094 has 24 divisors (see below), whose sum is σ = 36978832800. Its totient is φ = 5056934208.

The previous prime is 16118978027. The next prime is 16118978101. The reversal of 16118978094 is 49087981161.

It is a self number, because there is not a number n which added to its sum of digits gives 16118978094.

It is a congruent number.

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, 26337894 + ... + 26338505.

It is an arithmetic number, because the mean of its divisors is an integer number (1540784700).

Almost surely, 2^16118978094 is an apocalyptic number.

16118978094 is an abundant number, since it is smaller than the sum of its proper divisors (20859854706).

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

16118978094 is a wasteful number, since it uses less digits than its factorization.

16118978094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52676424 (or 52676421 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 54.

The spelling of 16118978094 in words is "sixteen billion, one hundred eighteen million, nine hundred seventy-eight thousand, ninety-four".