18303227060 has 72 divisors (see below), whose sum is σ = 40739811840. Its totient is φ = 6906287808.

The previous prime is 18303226979. The next prime is 18303227087. The reversal of 18303227060 is 6072230381.

It is a happy number.

It is a congruent number.

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, 1720277 + ... + 1730883.

It is an arithmetic number, because the mean of its divisors is an integer number (565830720).

Almost surely, 2^18303227060 is an apocalyptic number.

18303227060 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 18303227060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20369905920).

18303227060 is an abundant number, since it is smaller than the sum of its proper divisors (22436584780).

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

18303227060 is a wasteful number, since it uses less digits than its factorization.

18303227060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10893 (or 10872 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 18303227060 in words is "eighteen billion, three hundred three million, two hundred twenty-seven thousand, sixty".