33163289892 has 144 divisors (see below), whose sum is σ = 88639783232. Its totient is φ = 10839121920.

The previous prime is 33163289849. The next prime is 33163289893. The reversal of 33163289892 is 29898236133.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (33163289893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15693828 + ... + 15695940.

Almost surely, 2^33163289892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33163289892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44319891616).

33163289892 is an abundant number, since it is smaller than the sum of its proper divisors (55476493340).

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

33163289892 is a wasteful number, since it uses less digits than its factorization.

33163289892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440 (or 2426 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The spelling of 33163289892 in words is "thirty-three billion, one hundred sixty-three million, two hundred eighty-nine thousand, eight hundred ninety-two".