172332063204881 has 4 divisors (see below), whose sum is σ = 173091235289712. Its totient is φ = 171572891120052.

The previous prime is 172332063204863. The next prime is 172332063204887. The reversal of 172332063204881 is 188402360233271.

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 not a de Polignac number, because 172332063204881 - 2²² = 172332059010577 is a prime.

It is a super-2 number, since 2×172332063204881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (172332063204887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379586042075 + ... + 379586042528.

It is an arithmetic number, because the mean of its divisors is an integer number (43272808822428).

Almost surely, 2^{172332063204881} is an apocalyptic number.

It is an amenable number.

172332063204881 is a deficient number, since it is larger than the sum of its proper divisors (759172084831).

172332063204881 is an equidigital number, since it uses as much as digits as its factorization.

172332063204881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759172084830.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 172332063204881 in words is "one hundred seventy-two trillion, three hundred thirty-two billion, sixty-three million, two hundred four thousand, eight hundred eighty-one".