168692197868 has 24 divisors (see below), whose sum is σ = 295950839184. Its totient is φ = 84135032000.

The previous prime is 168692197841. The next prime is 168692197897. The reversal of 168692197868 is 868791296861.

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, 3206738 + ... + 3258918.

It is an arithmetic number, because the mean of its divisors is an integer number (12331284966).

Almost surely, 2^168692197868 is an apocalyptic number.

It is an amenable number.

168692197868 is a deficient number, since it is larger than the sum of its proper divisors (127258641316).

168692197868 is a wasteful number, since it uses less digits than its factorization.

168692197868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54193 (or 54191 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 71.

The spelling of 168692197868 in words is "one hundred sixty-eight billion, six hundred ninety-two million, one hundred ninety-seven thousand, eight hundred sixty-eight".