224601331172161 has 4 divisors (see below), whose sum is σ = 224601401740032. Its totient is φ = 224601260604292.

The previous prime is 224601331172117. The next prime is 224601331172269. The reversal of 224601331172161 is 161271133106422.

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-224601331172161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224601331172761) 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, 30272521 + ... + 36954406.

It is an arithmetic number, because the mean of its divisors is an integer number (56150350435008).

Almost surely, 2^{224601331172161} is an apocalyptic number.

It is an amenable number.

224601331172161 is a deficient number, since it is larger than the sum of its proper divisors (70567871).

224601331172161 is an equidigital number, since it uses as much as digits as its factorization.

224601331172161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70567870.

The product of its (nonzero) digits is 72576, while the sum is 40.

Adding to 224601331172161 its reverse (161271133106422), we get a palindrome (385872464278583).

The spelling of 224601331172161 in words is "two hundred twenty-four trillion, six hundred one billion, three hundred thirty-one million, one hundred seventy-two thousand, one hundred sixty-one".