6366 has 8 divisors (see below), whose sum is σ = 12744. Its totient is φ = 2120.

The previous prime is 6361. The next prime is 6367. The reversal of 6366 is 6636.

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

6366 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a plaindrome in base 14 and base 16.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6361) by changing a digit.

6366 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 3 ways as a sum of consecutive naturals, for example, 525 + ... + 536.

It is an arithmetic number, because the mean of its divisors is an integer number (1593).

2⁶³⁶⁶ is an apocalyptic number.

6366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6372).

6366 is a wasteful number, since it uses less digits than its factorization.

6366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066.

The product of its digits is 648, while the sum is 21.

The square root of 6366 is about 79.7872170213. The cubic root of 6366 is about 18.5334190198.

The spelling of 6366 in words is "six thousand, three hundred sixty-six".