11662 has 16 divisors (see below), whose sum is σ = 21600. Its totient is φ = 4704.
The previous prime is 11657. The next prime is 11677. The reversal of 11662 is 26611.
It is a nialpdrome in base 11.
It is a congruent number.
It is an unprimeable number.
11662 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678 + ... + 694.
It is an arithmetic number, because the mean of its divisors is an integer number (1350).
211662 is an apocalyptic number.
11662 is a deficient number, since it is larger than the sum of its proper divisors (9938).
11662 is an equidigital number, since it uses as much as digits as its factorization.
11662 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40 (or 26 counting only the distinct ones).
The product of its digits is 72, while the sum is 16.
The square root of 11662 is about 107.9907403438. The cubic root of 11662 is about 22.6772826089.
It can be divided in two parts, 1166 and 2, that multiplied together give a palindrome (2332).
The spelling of 11662 in words is "eleven thousand, six hundred sixty-two".
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