4566 has 8 divisors (see below), whose sum is σ = 9144. Its totient is φ = 1520.

The previous prime is 4561. The next prime is 4567. The reversal of 4566 is 6654.

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

4566 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 4566.

It is not an unprimeable number, because it can be changed into a prime (4561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375 + ... + 386.

It is an arithmetic number, because the mean of its divisors is an integer number (1143).

2⁴⁵⁶⁶ is an apocalyptic number.

4566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4572).

4566 is a wasteful number, since it uses less digits than its factorization.

4566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766.

The product of its digits is 720, while the sum is 21.

The square root of 4566 is about 67.5721836261. The cubic root of 4566 is about 16.5899586051.

It can be divided in two parts, 45 and 66, that added together give a palindrome (111).

The spelling of 4566 in words is "four thousand, five hundred sixty-six".