18013190272 has 192 divisors, whose sum is σ = 45857111040. Its totient is φ = 6969231360.

The previous prime is 18013190269. The next prime is 18013190303. The reversal of 18013190272 is 27209131081.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10830913 + ... + 10832575.

It is an arithmetic number, because the mean of its divisors is an integer number (238839120).

Almost surely, 2^18013190272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18013190272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22928555520).

18013190272 is an abundant number, since it is smaller than the sum of its proper divisors (27843920768).

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

18013190272 is a wasteful number, since it uses less digits than its factorization.

18013190272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859 (or 1840 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 18013190272 in words is "eighteen billion, thirteen million, one hundred ninety thousand, two hundred seventy-two".