163538341 has 2 divisors, whose sum is σ = 163538342. Its totient is φ = 163538340.

The previous prime is 163538267. The next prime is 163538363. The reversal of 163538341 is 143835361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109809441 + 53728900 = 10479^2 + 7330^2 .

It is a cyclic number.

It is not a de Polignac number, because 163538341 - 2¹³ = 163530149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163538297 and 163538306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163538371) 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, 81769170 + 81769171.

It is an arithmetic number, because the mean of its divisors is an integer number (81769171).

Almost surely, 2^163538341 is an apocalyptic number.

It is an amenable number.

163538341 is a deficient number, since it is larger than the sum of its proper divisors (1).

163538341 is an equidigital number, since it uses as much as digits as its factorization.

163538341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 163538341 is about 12788.2110164010. The cubic root of 163538341 is about 546.8562700350.

The spelling of 163538341 in words is "one hundred sixty-three million, five hundred thirty-eight thousand, three hundred forty-one".