3333636666 has 12 divisors (see below), whose sum is σ = 7222879482. Its totient is φ = 1111212216.

The previous prime is 3333636661. The next prime is 3333636667. The reversal of 3333636666 is 6666363333.

It can be written as a sum of positive squares in only one way, i.e., 2769811641 + 563825025 = 52629^2 + 23745^2 .

It is a super-2 number, since 2×3333636666² = 22226266841799191112, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (3333636661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92601001 + ... + 92601036.

Almost surely, 2^3333636666 is an apocalyptic number.

3333636666 is an abundant number, since it is smaller than the sum of its proper divisors (3889242816).

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

3333636666 is a wasteful number, since it uses less digits than its factorization.

3333636666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185202045 (or 185202042 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 45.

The square root of 3333636666 is about 57737.6537971539. The cubic root of 3333636666 is about 1493.8468926931.

Adding to 3333636666 its reverse (6666363333), we get a palindrome (9999999999).

The spelling of 3333636666 in words is "three billion, three hundred thirty-three million, six hundred thirty-six thousand, six hundred sixty-six".