18882519136 has 48 divisors (see below), whose sum is σ = 40965647184. Its totient is φ = 8512326144.

The previous prime is 18882519133. The next prime is 18882519199. The reversal of 18882519136 is 63191528881.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18882519133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509911 + ... + 545686.

It is an arithmetic number, because the mean of its divisors is an integer number (853450983).

Almost surely, 2^18882519136 is an apocalyptic number.

18882519136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18882519136 is an abundant number, since it is smaller than the sum of its proper divisors (22083128048).

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

18882519136 is a wasteful number, since it uses less digits than its factorization.

18882519136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055663 (or 1055655 counting only the distinct ones).

The product of its digits is 829440, while the sum is 52.

The spelling of 18882519136 in words is "eighteen billion, eight hundred eighty-two million, five hundred nineteen thousand, one hundred thirty-six".