6693 has 8 divisors (see below), whose sum is σ = 9408.
Its totient is φ = 4224.
The previous prime is 6691. The next prime is 6701. The reversal of 6693 is 3966.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 6693 - 21 = 6691 is a prime.
It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
6693 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6691) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21 + ... + 117.
It is an arithmetic number, because the mean of its divisors is an integer number (1176).
26693 is an apocalyptic number.
It is an amenable number.
6693 is a deficient number, since it is larger than the sum of its proper divisors (2715).
6693 is a wasteful number, since it uses less digits than its factorization.
6693 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123.
The product of its digits is 972, while the sum is 24.
The square root of 6693 is about 81.8107572389.
The cubic root of 6693 is about 18.8454686366.
The spelling of 6693 in words is "six thousand, six hundred ninety-three".