8168816 has 10 divisors (see below), whose sum is σ = 15827112. Its totient is φ = 4084400.

The previous prime is 8168801. The next prime is 8168819. The reversal of 8168816 is 6188618.

It is a self number, because there is not a number n which added to its sum of digits gives 8168816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8168819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255260 + ... + 255291.

Almost surely, 2^8168816 is an apocalyptic number.

It is an amenable number.

8168816 is a deficient number, since it is larger than the sum of its proper divisors (7658296).

8168816 is a wasteful number, since it uses less digits than its factorization.

8168816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510559 (or 510553 counting only the distinct ones).

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

The square root of 8168816 is about 2858.1140635041. The cubic root of 8168816 is about 201.3970189691.

The spelling of 8168816 in words is "eight million, one hundred sixty-eight thousand, eight hundred sixteen".