6682874782866 has 8 divisors (see below), whose sum is σ = 13365749565744. Its totient is φ = 2227624927620.

The previous prime is 6682874782853. The next prime is 6682874782891.

6682874782866 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

6682874782866 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6682874782791 and 6682874782800.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 556906231900 + ... + 556906231911.

It is an arithmetic number, because the mean of its divisors is an integer number (1670718695718).

Almost surely, 2^{6682874782866} is an apocalyptic number.

6682874782866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6682874782866 is a wasteful number, since it uses less digits than its factorization.

6682874782866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113812463816.

The product of its digits is 4161798144, while the sum is 78.

The spelling of 6682874782866 in words is "six trillion, six hundred eighty-two billion, eight hundred seventy-four million, seven hundred eighty-two thousand, eight hundred sixty-six".