163194341 has 2 divisors, whose sum is σ = 163194342. Its totient is φ = 163194340.

The previous prime is 163194319. The next prime is 163194359. The reversal of 163194341 is 143491361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128913316 + 34281025 = 11354^2 + 5855^2 .

It is a cyclic number.

It is not a de Polignac number, because 163194341 - 2¹⁸ = 162932197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 163194298 and 163194307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163194841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81597170 + 81597171.

It is an arithmetic number, because the mean of its divisors is an integer number (81597171).

Almost surely, 2^163194341 is an apocalyptic number.

It is an amenable number.

163194341 is a deficient number, since it is larger than the sum of its proper divisors (1).

163194341 is an equidigital number, since it uses as much as digits as its factorization.

163194341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 163194341 is about 12774.7540485130. The cubic root of 163194341 is about 546.4725667161.

The spelling of 163194341 in words is "one hundred sixty-three million, one hundred ninety-four thousand, three hundred forty-one".