8163996 has 48 divisors (see below), whose sum is σ = 20415360. Its totient is φ = 2531520.

The previous prime is 8163989. The next prime is 8163997. The reversal of 8163996 is 6993618.

8163996 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8163997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13615 + ... + 14201.

It is an arithmetic number, because the mean of its divisors is an integer number (425320).

Almost surely, 2^8163996 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 8163996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10207680).

8163996 is an abundant number, since it is smaller than the sum of its proper divisors (12251364).

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

8163996 is a wasteful number, since it uses less digits than its factorization.

8163996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 672 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 8163996 is about 2857.2707257101. The cubic root of 8163996 is about 201.3573998198.

The spelling of 8163996 in words is "eight million, one hundred sixty-three thousand, nine hundred ninety-six".