18813231360 has 864 divisors, whose sum is σ = 82282217472. Its totient is φ = 3855237120.

The previous prime is 18813231331. The next prime is 18813231379. The reversal of 18813231360 is 6313231881.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 112653997 + ... + 112654163.

It is an arithmetic number, because the mean of its divisors is an integer number (95234048).

Almost surely, 2^18813231360 is an apocalyptic number.

18813231360 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 18813231360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41141108736).

18813231360 is an abundant number, since it is smaller than the sum of its proper divisors (63468986112).

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

18813231360 is a wasteful number, since it uses less digits than its factorization.

18813231360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 18813231360 in words is "eighteen billion, eight hundred thirteen million, two hundred thirty-one thousand, three hundred sixty".