18882216000 has 168 divisors, whose sum is σ = 67545091224. Its totient is φ = 5035238400.

The previous prime is 18882215987. The next prime is 18882216007. The reversal of 18882216000 is 61228881.

It can be written as a sum of positive squares in 4 ways, for example, as 507871296 + 18374344704 = 22536^2 + 135552^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (18882216007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59127 + ... + 203126.

Almost surely, 2^18882216000 is an apocalyptic number.

18882216000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18882216000 is an abundant number, since it is smaller than the sum of its proper divisors (48662875224).

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

18882216000 is a wasteful number, since it uses less digits than its factorization.

18882216000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262286 (or 262263 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The spelling of 18882216000 in words is "eighteen billion, eight hundred eighty-two million, two hundred sixteen thousand".