6868118685 has 16 divisors (see below), whose sum is σ = 11196330624. Its totient is φ = 3593883072.

The previous prime is 6868118681. The next prime is 6868118701. The reversal of 6868118685 is 5868118686.

It is a happy number.

It is not a de Polignac number, because 6868118685 - 2² = 6868118681 is a prime.

It is a super-2 number, since 2×6868118685² = 94342108542492258450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868118681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4318777 + ... + 4320366.

It is an arithmetic number, because the mean of its divisors is an integer number (699770664).

Almost surely, 2^6868118685 is an apocalyptic number.

It is an amenable number.

6868118685 is a deficient number, since it is larger than the sum of its proper divisors (4328211939).

6868118685 is a wasteful number, since it uses less digits than its factorization.

6868118685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8639204.

The product of its digits is 4423680, while the sum is 57.

The square root of 6868118685 is about 82874.1134794213. The cubic root of 6868118685 is about 1900.8416109919.

Subtracting from 6868118685 its reverse (5868118686), we obtain a palindrome (999999999).

The spelling of 6868118685 in words is "six billion, eight hundred sixty-eight million, one hundred eighteen thousand, six hundred eighty-five".