33125433664 has 28 divisors (see below), whose sum is σ = 65807502624. Its totient is φ = 16544015744.

The previous prime is 33125433643. The next prime is 33125433707. The reversal of 33125433664 is 46633452133.

It is a congruent number.

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, 234994 + ... + 348529.

Almost surely, 2^33125433664 is an apocalyptic number.

It is an amenable number.

33125433664 is a deficient number, since it is larger than the sum of its proper divisors (32682068960).

33125433664 is an equidigital number, since it uses as much as digits as its factorization.

33125433664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584422 (or 584412 counting only the distinct ones).

The product of its digits is 466560, while the sum is 40.

Adding to 33125433664 its reverse (46633452133), we get a palindrome (79758885797).

The spelling of 33125433664 in words is "thirty-three billion, one hundred twenty-five million, four hundred thirty-three thousand, six hundred sixty-four".