318378068736 has 144 divisors (see below), whose sum is σ = 1042892492544. Its totient is φ = 83967823872.

The previous prime is 318378068731. The next prime is 318378068831. The reversal of 318378068736 is 637860873813.

It is a self number, because there is not a number n which added to its sum of digits gives 318378068736.

It is not an unprimeable number, because it can be changed into a prime (318378068731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2207886 + ... + 2347661.

It is an arithmetic number, because the mean of its divisors is an integer number (7242308976).

Almost surely, 2^318378068736 is an apocalyptic number.

It is an amenable number.

318378068736 is an abundant number, since it is smaller than the sum of its proper divisors (724514423808).

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

318378068736 is a wasteful number, since it uses less digits than its factorization.

318378068736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555586 (or 4555572 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 60.

The spelling of 318378068736 in words is "three hundred eighteen billion, three hundred seventy-eight million, sixty-eight thousand, seven hundred thirty-six".