8265565163 has 4 divisors (see below), whose sum is σ = 8272380528. Its totient is φ = 8258749800.

The previous prime is 8265565129. The next prime is 8265565171. The reversal of 8265565163 is 3615655628.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8265565163 - 2¹² = 8265561067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8265565103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3405863 + ... + 3408288.

It is an arithmetic number, because the mean of its divisors is an integer number (2068095132).

Almost surely, 2^8265565163 is an apocalyptic number.

8265565163 is a deficient number, since it is larger than the sum of its proper divisors (6815365).

8265565163 is a wasteful number, since it uses less digits than its factorization.

8265565163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815364.

The product of its digits is 1296000, while the sum is 47.

The square root of 8265565163 is about 90915.1536488830. The cubic root of 8265565163 is about 2021.8899707539.

The spelling of 8265565163 in words is "eight billion, two hundred sixty-five million, five hundred sixty-five thousand, one hundred sixty-three".