8168168 has 16 divisors (see below), whose sum is σ = 15402660. Its totient is φ = 4060800.

The previous prime is 8168161. The next prime is 8168179. The reversal of 8168168 is 8618618.

It can be written as a sum of positive squares in 2 ways, for example, as 8168164 + 4 = 2858^2 + 2^2 .

It is not an unprimeable number, because it can be changed into a prime (8168161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373 + ... + 4268.

Almost surely, 2^8168168 is an apocalyptic number.

It is an amenable number.

8168168 is a deficient number, since it is larger than the sum of its proper divisors (7234492).

8168168 is a wasteful number, since it uses less digits than its factorization.

8168168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828 (or 5824 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 8168168 is about 2858.0006997900. Note that the first 3 decimals coincide. The cubic root of 8168168 is about 201.3916934842.

The spelling of 8168168 in words is "eight million, one hundred sixty-eight thousand, one hundred sixty-eight".