8066564 has 24 divisors (see below), whose sum is σ = 16212000. Its totient is φ = 3473280.

The previous prime is 8066561. The next prime is 8066581. The reversal of 8066564 is 4656608.

It is not an unprimeable number, because it can be changed into a prime (8066561) 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, 3989 + ... + 5660.

It is an arithmetic number, because the mean of its divisors is an integer number (675500).

Almost surely, 2^8066564 is an apocalyptic number.

It is an amenable number.

8066564 is an abundant number, since it is smaller than the sum of its proper divisors (8145436).

8066564 is a wasteful number, since it uses less digits than its factorization.

8066564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9683 (or 9681 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 8066564 is about 2840.1697132390. The cubic root of 8066564 is about 200.5531686119.

The spelling of 8066564 in words is "eight million, sixty-six thousand, five hundred sixty-four".