8163216 has 60 divisors (see below), whose sum is σ = 23154768. Its totient is φ = 2684352.

The previous prime is 8163193. The next prime is 8163227. The reversal of 8163216 is 6123618.

8163216 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 8163216.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11611 + ... + 12293.

Almost surely, 2^8163216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8163216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11577384).

8163216 is an abundant number, since it is smaller than the sum of its proper divisors (14991552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8163216 is a wasteful number, since it uses less digits than its factorization.

8163216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 771 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 8163216 is about 2857.1342285584. The cubic root of 8163216 is about 201.3509869564.

The spelling of 8163216 in words is "eight million, one hundred sixty-three thousand, two hundred sixteen".