18351360000 has 720 divisors, whose sum is σ = 69848578800. Its totient is φ = 4810752000.

The previous prime is 18351359909. The next prime is 18351360023. The reversal of 18351360000 is 6315381.

18351360000 is a `hidden beast` number, since 1 + 8 + 3 + 51 + 3 + 600 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 59 ways as a sum of consecutive naturals, for example, 311039971 + ... + 311040029.

It is an arithmetic number, because the mean of its divisors is an integer number (97011915).

Almost surely, 2^18351360000 is an apocalyptic number.

18351360000 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 18351360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34924289400).

18351360000 is an abundant number, since it is smaller than the sum of its proper divisors (51497218800).

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

18351360000 is an frugal number, since it uses more digits than its factorization.

18351360000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 18351360000 its reverse (6315381), we get a palindrome (18357675381).

The spelling of 18351360000 in words is "eighteen billion, three hundred fifty-one million, three hundred sixty thousand".