18072071516200 has 96 divisors (see below), whose sum is σ = 45794864253600. Its totient is φ = 6592370031360.

The previous prime is 18072071516167. The next prime is 18072071516203. The reversal of 18072071516200 is 261517027081.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (18072071516203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41656470 + ... + 42088069.

It is an arithmetic number, because the mean of its divisors is an integer number (477029835975).

Almost surely, 2^{18072071516200} is an apocalyptic number.

18072071516200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18072071516200 is an abundant number, since it is smaller than the sum of its proper divisors (27722792737400).

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

18072071516200 is a wasteful number, since it uses less digits than its factorization.

18072071516200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83744651 (or 83744642 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 18072071516200 in words is "eighteen trillion, seventy-two billion, seventy-one million, five hundred sixteen thousand, two hundred".