32165132034221 has 4 divisors (see below), whose sum is σ = 32618162062944. Its totient is φ = 31712102005500.

The previous prime is 32165132034143. The next prime is 32165132034241. The reversal of 32165132034221 is 12243023156123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32165132034221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32165132034241) 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, 226515014255 + ... + 226515014396.

It is an arithmetic number, because the mean of its divisors is an integer number (8154540515736).

Almost surely, 2^{32165132034221} is an apocalyptic number.

It is an amenable number.

32165132034221 is a deficient number, since it is larger than the sum of its proper divisors (453030028723).

32165132034221 is an equidigital number, since it uses as much as digits as its factorization.

32165132034221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453030028722.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 32165132034221 in words is "thirty-two trillion, one hundred sixty-five billion, one hundred thirty-two million, thirty-four thousand, two hundred twenty-one".