8216168 has 16 divisors (see below), whose sum is σ = 16311780. Its totient is φ = 3866368.

The previous prime is 8216161. The next prime is 8216179. The reversal of 8216168 is 8616128.

It can be written as a sum of positive squares in 2 ways, for example, as 7171684 + 1044484 = 2678^2 + 1022^2 .

It is not an unprimeable number, because it can be changed into a prime (8216161) 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, 30071 + ... + 30342.

Almost surely, 2^8216168 is an apocalyptic number.

It is an amenable number.

8216168 is a deficient number, since it is larger than the sum of its proper divisors (8095612).

8216168 is a wasteful number, since it uses less digits than its factorization.

8216168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60436 (or 60432 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 8216168 is about 2866.3858777213. The cubic root of 8216168 is about 201.7854140552.

The spelling of 8216168 in words is "eight million, two hundred sixteen thousand, one hundred sixty-eight".