33125252164 has 12 divisors (see below), whose sum is σ = 58501019500. Its totient is φ = 16410675168.

The previous prime is 33125252161. The next prime is 33125252177. The reversal of 33125252164 is 46125252133.

It can be written as a sum of positive squares in 2 ways, for example, as 20661762564 + 12463489600 = 143742^2 + 111640^2 .

It is a super-3 number, since 3×33125252164³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (33125252161) 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 3 ways as a sum of consecutive naturals, for example, 37987239 + ... + 37988110.

Almost surely, 2^33125252164 is an apocalyptic number.

It is an amenable number.

33125252164 is a deficient number, since it is larger than the sum of its proper divisors (25375767336).

33125252164 is a wasteful number, since it uses less digits than its factorization.

33125252164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75975462 (or 75975460 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The spelling of 33125252164 in words is "thirty-three billion, one hundred twenty-five million, two hundred fifty-two thousand, one hundred sixty-four".