8196686866918 has 64 divisors (see below), whose sum is σ = 14208856289280. Its totient is φ = 3509588253600.

The previous prime is 8196686866903. The next prime is 8196686866937.

8196686866918 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126049033 + ... + 126114043.

It is an arithmetic number, because the mean of its divisors is an integer number (222013379520).

Almost surely, 2^{8196686866918} is an apocalyptic number.

8196686866918 is a deficient number, since it is larger than the sum of its proper divisors (6012169422362).

8196686866918 is a wasteful number, since it uses less digits than its factorization.

8196686866918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68833.

The product of its digits is 2579890176, while the sum is 82.

The spelling of 8196686866918 in words is "eight trillion, one hundred ninety-six billion, six hundred eighty-six million, eight hundred sixty-six thousand, nine hundred eighteen".