6566249163 has 16 divisors (see below), whose sum is σ = 8943897600. Its totient is φ = 4283104896.

The previous prime is 6566249161. The next prime is 6566249171. The reversal of 6566249163 is 3619426656.

It is a happy number.

It is not a de Polignac number, because 6566249163 - 2¹ = 6566249161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6566249161) 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, 926931 + ... + 933987.

It is an arithmetic number, because the mean of its divisors is an integer number (558993600).

Almost surely, 2^6566249163 is an apocalyptic number.

6566249163 is a deficient number, since it is larger than the sum of its proper divisors (2377648437).

6566249163 is a wasteful number, since it uses less digits than its factorization.

6566249163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13706.

The product of its digits is 1399680, while the sum is 48.

The square root of 6566249163 is about 81032.3957624357. The cubic root of 6566249163 is about 1872.5745623050.

The spelling of 6566249163 in words is "six billion, five hundred sixty-six million, two hundred forty-nine thousand, one hundred sixty-three".