26566 has 8 divisors (see below), whose sum is σ = 41040. Its totient is φ = 12888.

The previous prime is 26561. The next prime is 26573. The reversal of 26566 is 66562.

26566 is nontrivially palindromic in base 5.

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

It is a pancake number, because a pancake can be divided into 26566 parts by 230 straight cuts.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 26566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26561) 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, 106 + ... + 253.

It is an arithmetic number, because the mean of its divisors is an integer number (5130).

2²⁶⁵⁶⁶ is an apocalyptic number.

26566 is a deficient number, since it is larger than the sum of its proper divisors (14474).

26566 is a wasteful number, since it uses less digits than its factorization.

26566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398.

The product of its digits is 2160, while the sum is 25.

The square root of 26566 is about 162.9907972862. The cubic root of 26566 is about 29.8383902320.

It can be divided in two parts, 2656 and 6, that added together give a palindrome (2662).

The spelling of 26566 in words is "twenty-six thousand, five hundred sixty-six".