18167882496 has 72 divisors (see below), whose sum is σ = 48395779824. Its totient is φ = 6050611200.

The previous prime is 18167882471. The next prime is 18167882501. The reversal of 18167882496 is 69428876181.

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, 912520 + ... + 932216.

Almost surely, 2^18167882496 is an apocalyptic number.

18167882496 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 18167882496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24197889912).

18167882496 is an abundant number, since it is smaller than the sum of its proper divisors (30227897328).

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

18167882496 is a wasteful number, since it uses less digits than its factorization.

18167882496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20917 (or 20903 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 60.

The spelling of 18167882496 in words is "eighteen billion, one hundred sixty-seven million, eight hundred eighty-two thousand, four hundred ninety-six".