18852388416 has 105 divisors (see below), whose sum is σ = 55913705419. Its totient is φ = 6280834176.

The previous prime is 18852388397. The next prime is 18852388441. The reversal of 18852388416 is 61488325881.

The square root of 18852388416 is 137304.

It is a perfect power (a square), and thus also a powerful number.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 9884935 + ... + 9886841.

Almost surely, 2^18852388416 is an apocalyptic number.

18852388416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

18852388416 is the 137304-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18852388416

18852388416 is an abundant number, since it is smaller than the sum of its proper divisors (37061317003).

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

18852388416 is an frugal number, since it uses more digits than its factorization.

18852388416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838 (or 1912 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The spelling of 18852388416 in words is "eighteen billion, eight hundred fifty-two million, three hundred eighty-eight thousand, four hundred sixteen".