16766 has 8 divisors (see below), whose sum is σ = 25704. Its totient is φ = 8200.
The previous prime is 16763. The next prime is 16787. The reversal of 16766 is 66761.
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 9.
It is a nialpdrome in base 7 and base 12.
It is a zygodrome in base 7.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16763) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116 + ... + 216.
It is an arithmetic number, because the mean of its divisors is an integer number (3213).
216766 is an apocalyptic number.
16766 is a deficient number, since it is larger than the sum of its proper divisors (8938).
16766 is a wasteful number, since it uses less digits than its factorization.
16766 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186.
The product of its digits is 1512, while the sum is 26.
The square root of 16766 is about 129.4835896938. The cubic root of 16766 is about 25.5942939757.
The spelling of 16766 in words is "sixteen thousand, seven hundred sixty-six".
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