33383872172 has 12 divisors (see below), whose sum is σ = 66767744400. Its totient is φ = 14307373776.

The previous prime is 33383872139. The next prime is 33383872201. The reversal of 33383872172 is 27127838333.

33383872172 is an admirable number.

It is a super-2 number, since 2×33383872172² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596140547 + ... + 596140602.

It is an arithmetic number, because the mean of its divisors is an integer number (5563978700).

Almost surely, 2^33383872172 is an apocalyptic number.

It is an amenable number.

33383872172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33383872172 is a wasteful number, since it uses less digits than its factorization.

33383872172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192281160 (or 1192281158 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The spelling of 33383872172 in words is "thirty-three billion, three hundred eighty-three million, eight hundred seventy-two thousand, one hundred seventy-two".