8668916926257 has 32 divisors (see below), whose sum is σ = 13588300447744. Its totient is φ = 4812145329600.

The previous prime is 8668916926211. The next prime is 8668916926261. The reversal of 8668916926257 is 7526296198668.

It is not a de Polignac number, because 8668916926257 - 2¹⁰ = 8668916925233 is a prime.

It is a super-2 number, since 2×8668916926257² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8668916926207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8350369 + ... + 9330942.

It is an arithmetic number, because the mean of its divisors is an integer number (424634388992).

Almost surely, 2^{8668916926257} is an apocalyptic number.

It is an amenable number.

8668916926257 is a deficient number, since it is larger than the sum of its proper divisors (4919383521487).

8668916926257 is a wasteful number, since it uses less digits than its factorization.

8668916926257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681989.

The product of its digits is 940584960, while the sum is 75.

The spelling of 8668916926257 in words is "eight trillion, six hundred sixty-eight billion, nine hundred sixteen million, nine hundred twenty-six thousand, two hundred fifty-seven".