18116766068 has 12 divisors (see below), whose sum is σ = 31705804032. Its totient is φ = 9057964920.

The previous prime is 18116766061. The next prime is 18116766071. The reversal of 18116766068 is 86066761181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18116766061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5933 + ... + 190443.

It is an arithmetic number, because the mean of its divisors is an integer number (2642150336).

Almost surely, 2^18116766068 is an apocalyptic number.

It is an amenable number.

18116766068 is a deficient number, since it is larger than the sum of its proper divisors (13589037964).

18116766068 is a wasteful number, since it uses less digits than its factorization.

18116766068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209062 (or 209060 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 18116766068 in words is "eighteen billion, one hundred sixteen million, seven hundred sixty-six thousand, sixty-eight".