6686851344 has 80 divisors (see below), whose sum is σ = 17805705600. Its totient is φ = 2160829440.

The previous prime is 6686851333. The next prime is 6686851397. The reversal of 6686851344 is 4431586866.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492357 + ... + 505755.

It is an arithmetic number, because the mean of its divisors is an integer number (222571320).

Almost surely, 2^6686851344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6686851344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8902852800).

6686851344 is an abundant number, since it is smaller than the sum of its proper divisors (11118854256).

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

6686851344 is a wasteful number, since it uses less digits than its factorization.

6686851344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13728 (or 13722 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The square root of 6686851344 is about 81773.1700742976. The cubic root of 6686851344 is about 1883.9695948501.

The spelling of 6686851344 in words is "six billion, six hundred eighty-six million, eight hundred fifty-one thousand, three hundred forty-four".