317628011866 has 16 divisors (see below), whose sum is σ = 550328748480. Its totient is φ = 135883641280.

The previous prime is 317628011837. The next prime is 317628011879. The reversal of 317628011866 is 668110826713.

It is a happy 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, 424636006 + ... + 424636753.

It is an arithmetic number, because the mean of its divisors is an integer number (34395546780).

Almost surely, 2^317628011866 is an apocalyptic number.

317628011866 is a deficient number, since it is larger than the sum of its proper divisors (232700736614).

317628011866 is a wasteful number, since it uses less digits than its factorization.

317628011866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849272789.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 317628011866 in words is "three hundred seventeen billion, six hundred twenty-eight million, eleven thousand, eight hundred sixty-six".