18152985000 has 240 divisors, whose sum is σ = 58773686400. Its totient is φ = 4670624000.

The previous prime is 18152984953. The next prime is 18152985007. The reversal of 18152985000 is 58925181.

It is a self number, because there is not a number n which added to its sum of digits gives 18152985000.

It is not an unprimeable number, because it can be changed into a prime (18152985007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 12614281 + ... + 12615719.

It is an arithmetic number, because the mean of its divisors is an integer number (244890360).

Almost surely, 2^18152985000 is an apocalyptic number.

18152985000 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 18152985000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29386843200).

18152985000 is an abundant number, since it is smaller than the sum of its proper divisors (40620701400).

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

18152985000 is a wasteful number, since it uses less digits than its factorization.

18152985000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526 (or 1478 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 39.

The spelling of 18152985000 in words is "eighteen billion, one hundred fifty-two million, nine hundred eighty-five thousand".