18799371000 has 160 divisors (see below), whose sum is σ = 65714528880. Its totient is φ = 5013144000.

The previous prime is 18799370981. The next prime is 18799371029. The reversal of 18799371000 is 17399781.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35046 + ... + 197045.

Almost surely, 2^18799371000 is an apocalyptic number.

18799371000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18799371000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32857264440).

18799371000 is an abundant number, since it is smaller than the sum of its proper divisors (46915157880).

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

18799371000 is a wasteful number, since it uses less digits than its factorization.

18799371000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232124 (or 232101 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 45.

The spelling of 18799371000 in words is "eighteen billion, seven hundred ninety-nine million, three hundred seventy-one thousand".