163325444523361 has 16 divisors (see below), whose sum is σ = 165657472339968. Its totient is φ = 161007755904000.

The previous prime is 163325444523349. The next prime is 163325444523377.

163325444523361 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 163325444523361 - 2²³ = 163325436134753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163325444523299 and 163325444523308.

It is not an unprimeable number, because it can be changed into a prime (163325414523361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25383436 + ... + 31160386.

It is an arithmetic number, because the mean of its divisors is an integer number (10353592021248).

Almost surely, 2^{163325444523361} is an apocalyptic number.

It is an amenable number.

163325444523361 is a deficient number, since it is larger than the sum of its proper divisors (2332027816607).

163325444523361 is an equidigital number, since it uses as much as digits as its factorization.

163325444523361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778192.

The product of its digits is 18662400, while the sum is 52.

The spelling of 163325444523361 in words is "one hundred sixty-three trillion, three hundred twenty-five billion, four hundred forty-four million, five hundred twenty-three thousand, three hundred sixty-one".