8544266564 has 12 divisors (see below), whose sum is σ = 14958070764. Its totient is φ = 4270532064.

The previous prime is 8544266561. The next prime is 8544266569. The reversal of 8544266564 is 4656624458.

It can be written as a sum of positive squares in 2 ways, for example, as 4645512964 + 3898753600 = 68158^2 + 62440^2 .

It is a super-2 number, since 2×8544266564² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8544266561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388259 + ... + 409674.

It is an arithmetic number, because the mean of its divisors is an integer number (1246505897).

Almost surely, 2^8544266564 is an apocalyptic number.

It is an amenable number.

8544266564 is a deficient number, since it is larger than the sum of its proper divisors (6413804200).

8544266564 is a wasteful number, since it uses less digits than its factorization.

8544266564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800614 (or 800612 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 50.

The square root of 8544266564 is about 92435.2019741397. The cubic root of 8544266564 is about 2044.3641803577.

The spelling of 8544266564 in words is "eight billion, five hundred forty-four million, two hundred sixty-six thousand, five hundred sixty-four".