32153436872 has 12 divisors (see below), whose sum is σ = 60288645105. Its totient is φ = 16076464848.

The previous prime is 32153436827. The next prime is 32153436883. The reversal of 32153436872 is 27863435123.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 31632045316 + 521391556 = 177854^2 + 22834^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=126794.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 475478 + ... + 538874.

Almost surely, 2^32153436872 is an apocalyptic number.

It is an amenable number.

32153436872 is a deficient number, since it is larger than the sum of its proper divisors (28135208233).

32153436872 is an frugal number, since it uses more digits than its factorization.

32153436872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126800 (or 63399 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The spelling of 32153436872 in words is "thirty-two billion, one hundred fifty-three million, four hundred thirty-six thousand, eight hundred seventy-two".