9666914196669 has 16 divisors (see below), whose sum is σ = 13044647572992. Its totient is φ = 6366896771888.

The previous prime is 9666914196659. The next prime is 9666914196677.

9666914196669 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 9666914196669 - 2²⁷ = 9666779978941 is a prime.

It is a super-2 number, since 2×9666914196669² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9666914196594 and 9666914196603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9666914196619) 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 15 ways as a sum of consecutive naturals, for example, 37766014 + ... + 38021120.

It is an arithmetic number, because the mean of its divisors is an integer number (815290473312).

Almost surely, 2^{9666914196669} is an apocalyptic number.

It is an amenable number.

9666914196669 is a deficient number, since it is larger than the sum of its proper divisors (3377733376323).

9666914196669 is a wasteful number, since it uses less digits than its factorization.

9666914196669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407376.

The product of its digits is 1224440064, while the sum is 78.

The spelling of 9666914196669 in words is "nine trillion, six hundred sixty-six billion, nine hundred fourteen million, one hundred ninety-six thousand, six hundred sixty-nine".