110666 has 4 divisors (see below), whose sum is σ = 166002. Its totient is φ = 55332.

The previous prime is 110651. The next prime is 110681. The reversal of 110666 is 666011.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (110651) and next prime (110681).

It can be written as a sum of positive squares in only one way, i.e., 105625 + 5041 = 325^2 + 71^2 .

110666 is a modest number, since divided by 666 gives 110 as remainder.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 27665 + ... + 27668.

2¹¹⁰⁶⁶⁶ is an apocalyptic number.

110666 is a deficient number, since it is larger than the sum of its proper divisors (55336).

110666 is an equidigital number, since it uses as much as digits as its factorization.

110666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55335.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 110666 is about 332.6649966558. The cubic root of 110666 is about 48.0107036315.

Adding to 110666 its reverse (666011), we get a palindrome (776677).

The spelling of 110666 in words is "one hundred ten thousand, six hundred sixty-six".