18313298000 has 160 divisors (see below), whose sum is σ = 46235293728. Its totient is φ = 7008768000.

The previous prime is 18313297997. The next prime is 18313298009. The reversal of 18313298000 is 89231381.

It can be written as a sum of positive squares in 16 ways, for example, as 14035614784 + 4277683216 = 118472^2 + 65404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18313298009) 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, 4511972 + ... + 4516028.

Almost surely, 2^18313298000 is an apocalyptic number.

18313298000 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 18313298000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23117646864).

18313298000 is an abundant number, since it is smaller than the sum of its proper divisors (27921995728).

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

18313298000 is a wasteful number, since it uses less digits than its factorization.

18313298000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178 (or 4162 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 18313298000 in words is "eighteen billion, three hundred thirteen million, two hundred ninety-eight thousand".