8168906995 has 16 divisors (see below), whose sum is σ = 9958096800. Its totient is φ = 6431698944.

The previous prime is 8168906909. The next prime is 8168907011. The reversal of 8168906995 is 5996098618.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8168906995 - 2¹⁵ = 8168874227 is a prime.

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, 375681 + ... + 396829.

It is an arithmetic number, because the mean of its divisors is an integer number (622381050).

Almost surely, 2^8168906995 is an apocalyptic number.

8168906995 is a deficient number, since it is larger than the sum of its proper divisors (1789189805).

8168906995 is a wasteful number, since it uses less digits than its factorization.

8168906995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22374.

The product of its (nonzero) digits is 8398080, while the sum is 61.

The square root of 8168906995 is about 90382.0059248521. The cubic root of 8168906995 is about 2013.9776677447.

The spelling of 8168906995 in words is "eight billion, one hundred sixty-eight million, nine hundred six thousand, nine hundred ninety-five".