18740817130 has 64 divisors (see below), whose sum is σ = 39407938560. Its totient is φ = 6283102464.

The previous prime is 18740817113. The next prime is 18740817167. The reversal of 18740817130 is 3171804781.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5489304 + ... + 5492716.

It is an arithmetic number, because the mean of its divisors is an integer number (615749040).

Almost surely, 2^18740817130 is an apocalyptic number.

18740817130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18740817130 is an abundant number, since it is smaller than the sum of its proper divisors (20667121430).

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

18740817130 is a wasteful number, since it uses less digits than its factorization.

18740817130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5143.

The product of its (nonzero) digits is 37632, while the sum is 40.

The spelling of 18740817130 in words is "eighteen billion, seven hundred forty million, eight hundred seventeen thousand, one hundred thirty".