9668666668669 has 32 divisors (see below), whose sum is σ = 10321551360000. Its totient is φ = 9025450479360.

The previous prime is 9668666668649. The next prime is 9668666668693.

9668666668669 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 9668666668669 - 2⁵ = 9668666668637 is a prime.

It is a super-2 number, since 2×9668666668669² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9668666668669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9668666668649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2370350172 + ... + 2370354250.

It is an arithmetic number, because the mean of its divisors is an integer number (322548480000).

Almost surely, 2^{9668666668669} is an apocalyptic number.

It is an amenable number.

9668666668669 is a deficient number, since it is larger than the sum of its proper divisors (652884691331).

9668666668669 is a wasteful number, since it uses less digits than its factorization.

9668666668669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273.

The product of its digits is 52242776064, while the sum is 88.

The spelling of 9668666668669 in words is "nine trillion, six hundred sixty-eight billion, six hundred sixty-six million, six hundred sixty-eight thousand, six hundred sixty-nine".