33121880066 has 24 divisors (see below), whose sum is σ = 56984401152. Its totient is φ = 14400815000.

The previous prime is 33121880047. The next prime is 33121880069. The reversal of 33121880066 is 66008812133.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33121880069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2969810 + ... + 2980941.

It is an arithmetic number, because the mean of its divisors is an integer number (2374350048).

Almost surely, 2^33121880066 is an apocalyptic number.

33121880066 is a deficient number, since it is larger than the sum of its proper divisors (23862521086).

33121880066 is a wasteful number, since it uses less digits than its factorization.

33121880066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950798 (or 5950787 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 33121880066 in words is "thirty-three billion, one hundred twenty-one million, eight hundred eighty thousand, sixty-six".