18816969153114 has 96 divisors (see below), whose sum is σ = 44750886523200. Its totient is φ = 5666988718080.

The previous prime is 18816969153107. The next prime is 18816969153137. The reversal of 18816969153114 is 41135196961881.

18816969153114 is a `hidden beast` number, since 1 + 8 + 8 + 1 + 6 + 9 + 6 + 91 + 531 + 1 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38698452 + ... + 39181680.

It is an arithmetic number, because the mean of its divisors is an integer number (466155067950).

Almost surely, 2^{18816969153114} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18816969153114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22375443261600).

18816969153114 is an abundant number, since it is smaller than the sum of its proper divisors (25933917370086).

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

18816969153114 is a wasteful number, since it uses less digits than its factorization.

18816969153114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484460 (or 484457 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 63.

The spelling of 18816969153114 in words is "eighteen trillion, eight hundred sixteen billion, nine hundred sixty-nine million, one hundred fifty-three thousand, one hundred fourteen".