6564535166 has 8 divisors (see below), whose sum is σ = 11253488880. Its totient is φ = 2813372208.

The previous prime is 6564535163. The next prime is 6564535171. The reversal of 6564535166 is 6615354656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6564535166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6564535163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234447671 + ... + 234447698.

It is an arithmetic number, because the mean of its divisors is an integer number (1406686110).

Almost surely, 2^6564535166 is an apocalyptic number.

6564535166 is a deficient number, since it is larger than the sum of its proper divisors (4688953714).

6564535166 is a wasteful number, since it uses less digits than its factorization.

6564535166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468895378.

The product of its digits is 1944000, while the sum is 47.

The square root of 6564535166 is about 81021.8190736298. The cubic root of 6564535166 is about 1872.4116145596.

The spelling of 6564535166 in words is "six billion, five hundred sixty-four million, five hundred thirty-five thousand, one hundred sixty-six".