18522986496 has 192 divisors, whose sum is σ = 57128198400. Its totient is φ = 5227511808.

The previous prime is 18522986473. The next prime is 18522986539. The reversal of 18522986496 is 69468922581.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3567070 + ... + 3572258.

It is an arithmetic number, because the mean of its divisors is an integer number (297542700).

Almost surely, 2^18522986496 is an apocalyptic number.

18522986496 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 18522986496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28564099200).

18522986496 is an abundant number, since it is smaller than the sum of its proper divisors (38605211904).

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

18522986496 is an equidigital number, since it uses as much as digits as its factorization.

18522986496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5304 (or 5284 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 60.

The spelling of 18522986496 in words is "eighteen billion, five hundred twenty-two million, nine hundred eighty-six thousand, four hundred ninety-six".