26366 has 4 divisors (see below), whose sum is σ = 39552. Its totient is φ = 13182.

The previous prime is 26357. The next prime is 26371. The reversal of 26366 is 66362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66362 = 2 ⋅33181.

It is a Curzon number.

It is a plaindrome in base 11.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

26366 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6590 + ... + 6593.

It is an arithmetic number, because the mean of its divisors is an integer number (9888).

2²⁶³⁶⁶ is an apocalyptic number.

26366 is a deficient number, since it is larger than the sum of its proper divisors (13186).

26366 is a wasteful number, since it uses less digits than its factorization.

26366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13185.

The product of its digits is 1296, while the sum is 23.

The square root of 26366 is about 162.3761066167. The cubic root of 26366 is about 29.7633228937.

The spelling of 26366 in words is "twenty-six thousand, three hundred sixty-six".