18192918292 has 12 divisors (see below), whose sum is σ = 32864626816. Its totient is φ = 8803024920.

The previous prime is 18192918287. The next prime is 18192918311. The reversal of 18192918292 is 29281929181.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73358418 + ... + 73358665.

Almost surely, 2^18192918292 is an apocalyptic number.

It is an amenable number.

18192918292 is a deficient number, since it is larger than the sum of its proper divisors (14671708524).

18192918292 is a wasteful number, since it uses less digits than its factorization.

18192918292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146717118 (or 146717116 counting only the distinct ones).

The product of its digits is 373248, while the sum is 52.

The spelling of 18192918292 in words is "eighteen billion, one hundred ninety-two million, nine hundred eighteen thousand, two hundred ninety-two".