318343606712208 has 480 divisors, whose sum is σ = 1149045078908160. Its totient is φ = 82601925120000.

The previous prime is 318343606712161. The next prime is 318343606712221. The reversal of 318343606712208 is 802217606343813.

It is a happy number.

318343606712208 is a `hidden beast` number, since 3 + 1 + 8 + 3 + 4 + 3 + 606 + 7 + 1 + 2 + 20 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 357042958 + ... + 357933458.

It is an arithmetic number, because the mean of its divisors is an integer number (2393843914392).

Almost surely, 2^{318343606712208} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318343606712208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574522539454080).

318343606712208 is an abundant number, since it is smaller than the sum of its proper divisors (830701472195952).

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

318343606712208 is a wasteful number, since it uses less digits than its factorization.

318343606712208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891524 (or 891501 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 318343606712208 in words is "three hundred eighteen trillion, three hundred forty-three billion, six hundred six million, seven hundred twelve thousand, two hundred eight".