6682154746868 has 12 divisors (see below), whose sum is σ = 11694742376772. Its totient is φ = 3340799782080.

The previous prime is 6682154746867. The next prime is 6682154746909. The reversal of 6682154746868 is 8686474512866.

It can be written as a sum of positive squares in 2 ways, for example, as 1347034141924 + 5335120604944 = 1160618^2 + 2309788^2 .

It is a super-2 number, since 2×6682154746868² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6682154746867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69343673 + ... + 69439968.

It is an arithmetic number, because the mean of its divisors is an integer number (974561864731).

Almost surely, 2^{6682154746868} is an apocalyptic number.

It is an amenable number.

6682154746868 is a deficient number, since it is larger than the sum of its proper divisors (5012587629904).

6682154746868 is a wasteful number, since it uses less digits than its factorization.

6682154746868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138795682 (or 138795680 counting only the distinct ones).

The product of its digits is 743178240, while the sum is 71.

The spelling of 6682154746868 in words is "six trillion, six hundred eighty-two billion, one hundred fifty-four million, seven hundred forty-six thousand, eight hundred sixty-eight".