18982226176 has 81 divisors (see below), whose sum is σ = 38731301721. Its totient is φ = 9285000192.

The previous prime is 18982226147. The next prime is 18982226213. The reversal of 18982226176 is 67162228981.

The square root of 18982226176 is 137776.

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

It can be written as a sum of positive squares in only one way, i.e., 13230520576 + 5751705600 = 115024^2 + 75840^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 174148810 + ... + 174148918.

Almost surely, 2^18982226176 is an apocalyptic number.

18982226176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

18982226176 is the 137776-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18982226176

18982226176 is an abundant number, since it is smaller than the sum of its proper divisors (19749075545).

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

18982226176 is an frugal number, since it uses more digits than its factorization.

18982226176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 190 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 52.

The spelling of 18982226176 in words is "eighteen billion, nine hundred eighty-two million, two hundred twenty-six thousand, one hundred seventy-six".