10669 has 4 divisors (see below), whose sum is σ = 10944. Its totient is φ = 10396.

The previous prime is 10667. The next prime is 10687. The reversal of 10669 is 96601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10669 - 2¹ = 10667 is a prime.

It is a super-2 number, since 2×10669² = 227655122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10663) 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, 67 + ... + 160.

It is an arithmetic number, because the mean of its divisors is an integer number (2736).

2¹⁰⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

10669 is a deficient number, since it is larger than the sum of its proper divisors (275).

10669 is an equidigital number, since it uses as much as digits as its factorization.

10669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 10669 is about 103.2908514826. The cubic root of 10669 is about 22.0144533125.

The spelling of 10669 in words is "ten thousand, six hundred sixty-nine".