18168333696 has 320 divisors, whose sum is σ = 57390300000. Its totient is φ = 5693276160.

The previous prime is 18168333679. The next prime is 18168333737. The reversal of 18168333696 is 69633386181.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14545680 + ... + 14546928.

Almost surely, 2^18168333696 is an apocalyptic number.

18168333696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18168333696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28695150000).

18168333696 is an abundant number, since it is smaller than the sum of its proper divisors (39221966304).

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

18168333696 is a wasteful number, since it uses less digits than its factorization.

18168333696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359 (or 1338 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The spelling of 18168333696 in words is "eighteen billion, one hundred sixty-eight million, three hundred thirty-three thousand, six hundred ninety-six".