163601305146241 has 4 divisors (see below), whose sum is σ = 173224911331332. Its totient is φ = 153977698961152.

The previous prime is 163601305146233. The next prime is 163601305146263. The reversal of 163601305146241 is 142641503106361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82933441968400 + 80667863177841 = 9106780^2 + 8981529^2 .

It is a cyclic number.

It is not a de Polignac number, because 163601305146241 - 2³ = 163601305146233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163601305146211) 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, 4811803092520 + ... + 4811803092553.

It is an arithmetic number, because the mean of its divisors is an integer number (43306227832833).

Almost surely, 2^{163601305146241} is an apocalyptic number.

It is an amenable number.

163601305146241 is a deficient number, since it is larger than the sum of its proper divisors (9623606185091).

163601305146241 is an equidigital number, since it uses as much as digits as its factorization.

163601305146241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9623606185090.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 163601305146241 in words is "one hundred sixty-three trillion, six hundred one billion, three hundred five million, one hundred forty-six thousand, two hundred forty-one".