33663366 has 96 divisors (see below), whose sum is σ = 86025888. Its totient is φ = 9400320.

The previous prime is 33663361. The next prime is 33663431. The reversal of 33663366 is 66336633.

It is a super-2 number, since 2×33663366² = 2266444420899912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

Its product of digits (104976) is a multiple of the sum of its prime divisors (243).

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 33663366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33663361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 245650 + ... + 245786.

It is an arithmetic number, because the mean of its divisors is an integer number (896103).

Almost surely, 2^33663366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33663366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43012944).

33663366 is an abundant number, since it is smaller than the sum of its proper divisors (52362522).

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

33663366 is a wasteful number, since it uses less digits than its factorization.

33663366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 243 counting only the distinct ones).

The product of its digits is 104976, while the sum is 36.

The square root of 33663366 is about 5802.0139606864. The cubic root of 33663366 is about 322.8884520577. Note that the first 3 decimals are identical.

Adding to 33663366 its reverse (66336633), we get a palindrome (99999999).

The spelling of 33663366 in words is "thirty-three million, six hundred sixty-three thousand, three hundred sixty-six".