163344101 has 2 divisors, whose sum is σ = 163344102. Its totient is φ = 163344100.

The previous prime is 163344089. The next prime is 163344161. The reversal of 163344101 is 101443361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108139201 + 55204900 = 10399^2 + 7430^2 .

It is a cyclic number.

It is not a de Polignac number, because 163344101 - 2¹⁰ = 163343077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163344161) 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 as a sum of consecutive naturals, namely, 81672050 + 81672051.

It is an arithmetic number, because the mean of its divisors is an integer number (81672051).

Almost surely, 2^163344101 is an apocalyptic number.

It is an amenable number.

163344101 is a deficient number, since it is larger than the sum of its proper divisors (1).

163344101 is an equidigital number, since it uses as much as digits as its factorization.

163344101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 163344101 is about 12780.6142653630. The cubic root of 163344101 is about 546.6396777194.

Adding to 163344101 its reverse (101443361), we get a palindrome (264787462).

The spelling of 163344101 in words is "one hundred sixty-three million, three hundred forty-four thousand, one hundred one".