333363636666 has 128 divisors (see below), whose sum is σ = 771008958720. Its totient is φ = 106678944000.

The previous prime is 333363636643. The next prime is 333363636667. The reversal of 333363636666 is 666636363333.

It is a super-2 number, since 2×333363636666² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 (333363636667) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61949296 + ... + 61954676.

It is an arithmetic number, because the mean of its divisors is an integer number (6023507490).

Almost surely, 2^333363636666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 333363636666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385504479360).

333363636666 is an abundant number, since it is smaller than the sum of its proper divisors (437645322054).

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

333363636666 is a wasteful number, since it uses less digits than its factorization.

333363636666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837 (or 5831 counting only the distinct ones).

The product of its digits is 34012224, while the sum is 54.

Adding to 333363636666 its reverse (666636363333), we get a palindrome (999999999999).

The spelling of 333363636666 in words is "three hundred thirty-three billion, three hundred sixty-three million, six hundred thirty-six thousand, six hundred sixty-six".