18336158008 has 32 divisors (see below), whose sum is σ = 40559247360. Its totient is φ = 7604857440.

The previous prime is 18336157949. The next prime is 18336158051. The reversal of 18336158008 is 80085163381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5279416 + ... + 5282887.

It is an arithmetic number, because the mean of its divisors is an integer number (1267476480).

Almost surely, 2^18336158008 is an apocalyptic number.

It is an amenable number.

18336158008 is an abundant number, since it is smaller than the sum of its proper divisors (22223089352).

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

18336158008 is a wasteful number, since it uses less digits than its factorization.

18336158008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10562347 (or 10562343 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 18336158008 in words is "eighteen billion, three hundred thirty-six million, one hundred fifty-eight thousand, eight".