18182109092 has 24 divisors (see below), whose sum is σ = 36368727360. Its totient is φ = 7791366240.

The previous prime is 18182109083. The next prime is 18182109097. The reversal of 18182109092 is 29090128181.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18182109097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218834 + ... + 290262.

It is an arithmetic number, because the mean of its divisors is an integer number (1515363640).

Almost surely, 2^18182109092 is an apocalyptic number.

It is an amenable number.

18182109092 is an abundant number, since it is smaller than the sum of its proper divisors (18186618268).

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

18182109092 is a wasteful number, since it uses less digits than its factorization.

18182109092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80531 (or 80529 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 41.

The spelling of 18182109092 in words is "eighteen billion, one hundred eighty-two million, one hundred nine thousand, ninety-two".