18763130928 has 160 divisors (see below), whose sum is σ = 53185738752. Its totient is φ = 5674291200.

The previous prime is 18763130891. The next prime is 18763130929. The reversal of 18763130928 is 82903136781.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (18763130929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7157458 + ... + 7160078.

Almost surely, 2^18763130928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18763130928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26592869376).

18763130928 is an abundant number, since it is smaller than the sum of its proper divisors (34422607824).

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

18763130928 is a wasteful number, since it uses less digits than its factorization.

18763130928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963 (or 2957 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 18763130928 in words is "eighteen billion, seven hundred sixty-three million, one hundred thirty thousand, nine hundred twenty-eight".