6636366 has 48 divisors (see below), whose sum is σ = 15872688. Its totient is φ = 2003760.

The previous prime is 6636359. The next prime is 6636433.

6636366 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6636366.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23820 + ... + 24096.

It is an arithmetic number, because the mean of its divisors is an integer number (330681).

Almost surely, 2^6636366 is an apocalyptic number.

6636366 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6636366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7936344).

6636366 is an abundant number, since it is smaller than the sum of its proper divisors (9236322).

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

6636366 is a wasteful number, since it uses less digits than its factorization.

6636366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 293 counting only the distinct ones).

The product of its digits is 69984, while the sum is 36.

The square root of 6636366 is about 2576.1145160881. The cubic root of 6636366 is about 187.9216324949.

The spelling of 6636366 in words is "six million, six hundred thirty-six thousand, three hundred sixty-six".