33161250432 has 32 divisors (see below), whose sum is σ = 88084572480. Its totient is φ = 11053750016.

The previous prime is 33161250401. The next prime is 33161250439. The reversal of 33161250432 is 23405216133.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 33161250432.

It is not an unprimeable number, because it can be changed into a prime (33161250439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43178328 + ... + 43179095.

It is an arithmetic number, because the mean of its divisors is an integer number (2752642890).

Almost surely, 2^33161250432 is an apocalyptic number.

33161250432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

33161250432 is an abundant number, since it is smaller than the sum of its proper divisors (54923322048).

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

33161250432 is an equidigital number, since it uses as much as digits as its factorization.

33161250432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86357440 (or 86357428 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 33161250432 its reverse (23405216133), we get a palindrome (56566466565).

The spelling of 33161250432 in words is "thirty-three billion, one hundred sixty-one million, two hundred fifty thousand, four hundred thirty-two".