18183149982 has 24 divisors (see below), whose sum is σ = 40461605496. Its totient is φ = 5897237616.

The previous prime is 18183149939. The next prime is 18183149993. The reversal of 18183149982 is 28994138181.

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 11 ways as a sum of consecutive naturals, for example, 13650348 + ... + 13651679.

It is an arithmetic number, because the mean of its divisors is an integer number (1685900229).

Almost surely, 2^18183149982 is an apocalyptic number.

18183149982 is an abundant number, since it is smaller than the sum of its proper divisors (22278455514).

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

18183149982 is a wasteful number, since it uses less digits than its factorization.

18183149982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27302072 (or 27302069 counting only the distinct ones).

The product of its digits is 995328, while the sum is 54.

The spelling of 18183149982 in words is "eighteen billion, one hundred eighty-three million, one hundred forty-nine thousand, nine hundred eighty-two".