319968466686 has 24 divisors (see below), whose sum is σ = 756289103544. Its totient is φ = 96960141360.

The previous prime is 319968466681. The next prime is 319968466717. The reversal of 319968466686 is 686664869913.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319968466681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 808000981 + ... + 808001376.

It is an arithmetic number, because the mean of its divisors is an integer number (31512045981).

Almost surely, 2^319968466686 is an apocalyptic number.

319968466686 is an abundant number, since it is smaller than the sum of its proper divisors (436320636858).

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

319968466686 is a wasteful number, since it uses less digits than its factorization.

319968466686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616002376 (or 1616002373 counting only the distinct ones).

The product of its digits is 483729408, while the sum is 72.

The spelling of 319968466686 in words is "three hundred nineteen billion, nine hundred sixty-eight million, four hundred sixty-six thousand, six hundred eighty-six".