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1166 = 21153

1166 has 8 divisors (see below), whose sum is σ = 1944. Its totient is φ = 520.

The previous prime is 1163. The next prime is 1171. The reversal of 1166 is 6611.

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

It is a Curzon number.

It is a plaindrome in base 10 and base 16.

It is a nialpdrome in base 6 and base 11.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1166.

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 1166.

It is not an unprimeable number, because it can be changed into a prime (1163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5 + ... + 48.

It is an arithmetic number, because the mean of its divisors is an integer number (243).

21166 is an apocalyptic number.

1166 is a deficient number, since it is larger than the sum of its proper divisors (778).

1166 is a wasteful number, since it uses less digits than its factorization.

1166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66.

The product of its digits is 36, while the sum is 14.

The square root of 1166 is about 34.1467421579. The cubic root of 1166 is about 10.5252604205.

Adding to 1166 its reverse (6611), we get a palindrome (7777).

Subtracting 1166 from its reverse (6611), we obtain a palindrome (5445).

It can be divided in two parts, 116 and 6, that multiplied together give a palindrome (696).

The spelling of 1166 in words is "one thousand, one hundred sixty-six".

Divisors: 1 2 11 22 53 106 583 1166