6688861068422 has 64 divisors (see below), whose sum is σ = 11013740035200. Its totient is φ = 3028034617344.

The previous prime is 6688861068371. The next prime is 6688861068437. The reversal of 6688861068422 is 2248601688866.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1094199638 + ... + 1094205750.

It is an arithmetic number, because the mean of its divisors is an integer number (172089688050).

Almost surely, 2^{6688861068422} is an apocalyptic number.

6688861068422 is a deficient number, since it is larger than the sum of its proper divisors (4324878966778).

6688861068422 is a wasteful number, since it uses less digits than its factorization.

6688861068422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9297.

The product of its (nonzero) digits is 84934656, while the sum is 65.

The spelling of 6688861068422 in words is "six trillion, six hundred eighty-eight billion, eight hundred sixty-one million, sixty-eight thousand, four hundred twenty-two".