33366666366 has 32 divisors (see below), whose sum is σ = 80888889600. Its totient is φ = 10111110840.

The previous prime is 33366666353. The next prime is 33366666367. The reversal of 33366666366 is 66366666333.

It is a super-2 number, since 2×33366666366² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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 a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33366666367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28085826 + ... + 28087013.

It is an arithmetic number, because the mean of its divisors is an integer number (2527777800).

Almost surely, 2^33366666366 is an apocalyptic number.

33366666366 is an abundant number, since it is smaller than the sum of its proper divisors (47522223234).

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

33366666366 is a wasteful number, since it uses less digits than its factorization.

33366666366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56172861 (or 56172855 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 54.

The spelling of 33366666366 in words is "thirty-three billion, three hundred sixty-six million, six hundred sixty-six thousand, three hundred sixty-six".