68237047318 has 16 divisors (see below), whose sum is σ = 111693692880. Its totient is φ = 31007653600.

The previous prime is 68237047309. The next prime is 68237047339. The reversal of 68237047318 is 81374073286.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383053 + ... + 532168.

It is an arithmetic number, because the mean of its divisors is an integer number (6980855805).

Almost surely, 2^68237047318 is an apocalyptic number.

68237047318 is a deficient number, since it is larger than the sum of its proper divisors (43456645562).

68237047318 is a wasteful number, since it uses less digits than its factorization.

68237047318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918623.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 68237047318 in words is "sixty-eight billion, two hundred thirty-seven million, forty-seven thousand, three hundred eighteen".