318718425545856 has 768 divisors, whose sum is σ = 1181380021344000. Its totient is φ = 82750370217984.

The previous prime is 318718425545789. The next prime is 318718425545911. The reversal of 318718425545856 is 658545524817813.

318718425545856 is a `hidden beast` number, since 3 + 1 + 8 + 7 + 1 + 8 + 4 + 25 + 545 + 8 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 201967176 + ... + 203539128.

It is an arithmetic number, because the mean of its divisors is an integer number (1538255236125).

Almost surely, 2^{318718425545856} is an apocalyptic number.

318718425545856 is a gapful number since it is divisible by the number (36) 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 318718425545856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590690010672000).

318718425545856 is an abundant number, since it is smaller than the sum of its proper divisors (862661595798144).

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

318718425545856 is a wasteful number, since it uses less digits than its factorization.

318718425545856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572046 (or 1572011 counting only the distinct ones).

The product of its digits is 1290240000, while the sum is 72.

The spelling of 318718425545856 in words is "three hundred eighteen trillion, seven hundred eighteen billion, four hundred twenty-five million, five hundred forty-five thousand, eight hundred fifty-six".