163316327369 has 6 divisors (see below), whose sum is σ = 176845490766. Its totient is φ = 150753532800.

The previous prime is 163316327359. The next prime is 163316327371. The reversal of 163316327369 is 963723613361.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 72046144 + 163244281225 = 8488^2 + 404035^2 .

It is not a de Polignac number, because 163316327369 - 2⁴ = 163316327353 is a prime.

It is a super-2 number, since 2×163316327369² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163316327359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 483184232 + ... + 483184569.

It is an arithmetic number, because the mean of its divisors is an integer number (29474248461).

Almost surely, 2^163316327369 is an apocalyptic number.

It is an amenable number.

163316327369 is a deficient number, since it is larger than the sum of its proper divisors (13529163397).

163316327369 is an equidigital number, since it uses as much as digits as its factorization.

163316327369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966368827 (or 966368814 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 50.

The spelling of 163316327369 in words is "one hundred sixty-three billion, three hundred sixteen million, three hundred twenty-seven thousand, three hundred sixty-nine".