6688848488866 has 16 divisors (see below), whose sum is σ = 10180498825728. Its totient is φ = 3295403624800.

The previous prime is 6688848488851. The next prime is 6688848488921.

6688848488866 is nontrivially palindromic in base 10.

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 7 ways as a sum of consecutive naturals, for example, 13440850 + ... + 13929613.

It is an arithmetic number, because the mean of its divisors is an integer number (636281176608).

Almost surely, 2^{6688848488866} is an apocalyptic number.

6688848488866 is a deficient number, since it is larger than the sum of its proper divisors (3491650336862).

6688848488866 is a wasteful number, since it uses less digits than its factorization.

6688848488866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27372257.

The product of its digits is 43486543872, while the sum is 88.

The spelling of 6688848488866 in words is "six trillion, six hundred eighty-eight billion, eight hundred forty-eight million, four hundred eighty-eight thousand, eight hundred sixty-six".