18072980160 has 448 divisors, whose sum is σ = 63414005760. Its totient is φ = 4341104640.

The previous prime is 18072980153. The next prime is 18072980173. The reversal of 18072980160 is 6108927081.

It is a super-2 number, since 2×18072980160² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70322752 + ... + 70323008.

It is an arithmetic number, because the mean of its divisors is an integer number (141549120).

Almost surely, 2^18072980160 is an apocalyptic number.

18072980160 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 18072980160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31707002880).

18072980160 is an abundant number, since it is smaller than the sum of its proper divisors (45341025600).

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

18072980160 is a wasteful number, since it uses less digits than its factorization.

18072980160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 18072980160 in words is "eighteen billion, seventy-two million, nine hundred eighty thousand, one hundred sixty".