18883315008 has 84 divisors (see below), whose sum is σ = 56478940128. Its totient is φ = 6020762880.

The previous prime is 18883315007. The next prime is 18883315013. The reversal of 18883315008 is 80051338881.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18883315007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699438 + ... + 725933.

Almost surely, 2^18883315008 is an apocalyptic number.

18883315008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18883315008 is an abundant number, since it is smaller than the sum of its proper divisors (37595625120).

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

18883315008 is a wasteful number, since it uses less digits than its factorization.

18883315008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425412 (or 1425399 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

It can be divided in two parts, 188833 and 15008, that added together give a triangular number (203841 = T₆₃₈).

The spelling of 18883315008 in words is "eighteen billion, eight hundred eighty-three million, three hundred fifteen thousand, eight".