8561163 has 8 divisors (see below), whose sum is σ = 12293008. Its totient is φ = 5268384.

The previous prime is 8561159. The next prime is 8561213. The reversal of 8561163 is 3611658.

8561163 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8561163 - 2² = 8561159 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8561163.

It is not an unprimeable number, because it can be changed into a prime (8561263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109720 + ... + 109797.

It is an arithmetic number, because the mean of its divisors is an integer number (1536626).

Almost surely, 2^8561163 is an apocalyptic number.

8561163 is a deficient number, since it is larger than the sum of its proper divisors (3731845).

8561163 is a wasteful number, since it uses less digits than its factorization.

8561163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219533.

The product of its digits is 4320, while the sum is 30.

The square root of 8561163 is about 2925.9465135234. The cubic root of 8561163 is about 204.5710881634.

The spelling of 8561163 in words is "eight million, five hundred sixty-one thousand, one hundred sixty-three".