8651272066 has 16 divisors (see below), whose sum is σ = 13047761664. Its totient is φ = 4302056304.

The previous prime is 8651272061. The next prime is 8651272127. The reversal of 8651272066 is 6602721568.

8651272066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (8651272061) 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 7 ways as a sum of consecutive naturals, for example, 478605 + ... + 496351.

It is an arithmetic number, because the mean of its divisors is an integer number (815485104).

Almost surely, 2^8651272066 is an apocalyptic number.

8651272066 is a deficient number, since it is larger than the sum of its proper divisors (4396489598).

8651272066 is a wasteful number, since it uses less digits than its factorization.

8651272066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19065.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 8651272066 is about 93012.2146064698. The cubic root of 8651272066 is about 2052.8631075640.

The spelling of 8651272066 in words is "eight billion, six hundred fifty-one million, two hundred seventy-two thousand, sixty-six".