718216317338 has 16 divisors (see below), whose sum is σ = 1210638877056. Its totient is φ = 317072086320.

The previous prime is 718216317323. The next prime is 718216317349. The reversal of 718216317338 is 833713612817.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600514718 + ... + 600515913.

It is an arithmetic number, because the mean of its divisors is an integer number (75664929816).

Almost surely, 2^718216317338 is an apocalyptic number.

718216317338 is a deficient number, since it is larger than the sum of its proper divisors (492422559718).

718216317338 is a wasteful number, since it uses less digits than its factorization.

718216317338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201030669.

The product of its digits is 1016064, while the sum is 50.

The spelling of 718216317338 in words is "seven hundred eighteen billion, two hundred sixteen million, three hundred seventeen thousand, three hundred thirty-eight".