18133812336 has 40 divisors (see below), whose sum is σ = 46886106240. Its totient is φ = 6039388096.

The previous prime is 18133812313. The next prime is 18133812349. The reversal of 18133812336 is 63321833181.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 18133812294 and 18133812303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106596 + ... + 218243.

It is an arithmetic number, because the mean of its divisors is an integer number (1172152656).

Almost surely, 2^18133812336 is an apocalyptic number.

18133812336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18133812336 is an abundant number, since it is smaller than the sum of its proper divisors (28752293904).

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

18133812336 is a wasteful number, since it uses less digits than its factorization.

18133812336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326013 (or 326007 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The spelling of 18133812336 in words is "eighteen billion, one hundred thirty-three million, eight hundred twelve thousand, three hundred thirty-six".