33366666368 has 32 divisors (see below), whose sum is σ = 75968751360. Its totient is φ = 14299999488.

The previous prime is 33366666367. The next prime is 33366666373. The reversal of 33366666368 is 86366666333.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×33366666368² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (33366666367) 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 3 ways as a sum of consecutive naturals, for example, 18618896 + ... + 18620687.

It is an arithmetic number, because the mean of its divisors is an integer number (2374023480).

Almost surely, 2^33366666368 is an apocalyptic number.

It is an amenable number.

33366666368 is an abundant number, since it is smaller than the sum of its proper divisors (42602084992).

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

33366666368 is an equidigital number, since it uses as much as digits as its factorization.

33366666368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37239604 (or 37239592 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 56.

The spelling of 33366666368 in words is "thirty-three billion, three hundred sixty-six million, six hundred sixty-six thousand, three hundred sixty-eight".