33157672432 has 20 divisors (see below), whose sum is σ = 65331856440. Its totient is φ = 16297838528.

The previous prime is 33157672357. The next prime is 33157672439. The reversal of 33157672432 is 23427675133.

It is a super-2 number, since 2×33157672432² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33157672439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17561383 + ... + 17563270.

It is an arithmetic number, because the mean of its divisors is an integer number (3266592822).

Almost surely, 2^33157672432 is an apocalyptic number.

It is an amenable number.

33157672432 is a deficient number, since it is larger than the sum of its proper divisors (32174184008).

33157672432 is a wasteful number, since it uses less digits than its factorization.

33157672432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35124720 (or 35124714 counting only the distinct ones).

The product of its digits is 635040, while the sum is 43.

The spelling of 33157672432 in words is "thirty-three billion, one hundred fifty-seven million, six hundred seventy-two thousand, four hundred thirty-two".