8168434044605 has 16 divisors (see below), whose sum is σ = 10393335996480. Its totient is φ = 6145624743552.

The previous prime is 8168434044599. The next prime is 8168434044677. The reversal of 8168434044605 is 5064404348618.

It is a cyclic number.

It is not a de Polignac number, because 8168434044605 - 2⁸ = 8168434044349 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313795439 + ... + 313821468.

It is an arithmetic number, because the mean of its divisors is an integer number (649583499780).

Almost surely, 2^{8168434044605} is an apocalyptic number.

It is an amenable number.

8168434044605 is a deficient number, since it is larger than the sum of its proper divisors (2224901951875).

8168434044605 is a wasteful number, since it uses less digits than its factorization.

8168434044605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627617068.

The product of its (nonzero) digits is 8847360, while the sum is 53.

The spelling of 8168434044605 in words is "eight trillion, one hundred sixty-eight billion, four hundred thirty-four million, forty-four thousand, six hundred five".