108566 has 8 divisors (see below), whose sum is σ = 171480. Its totient is φ = 51408.

The previous prime is 108557. The next prime is 108571. The reversal of 108566 is 665801.

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

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

108566 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391 + ... + 1466.

It is an arithmetic number, because the mean of its divisors is an integer number (21435).

2¹⁰⁸⁵⁶⁶ is an apocalyptic number.

108566 is a deficient number, since it is larger than the sum of its proper divisors (62914).

108566 is a wasteful number, since it uses less digits than its factorization.

108566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 108566 is about 329.4935507715. The cubic root of 108566 is about 47.7050782259.

The spelling of 108566 in words is "one hundred eight thousand, five hundred sixty-six".