163114421 has 2 divisors, whose sum is σ = 163114422. Its totient is φ = 163114420.

The previous prime is 163114397. The next prime is 163114433. The reversal of 163114421 is 124411361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112063396 + 51051025 = 10586^2 + 7145^2 .

It is a cyclic number.

It is not a de Polignac number, because 163114421 - 2¹⁰ = 163113397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163114451) 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, 81557210 + 81557211.

It is an arithmetic number, because the mean of its divisors is an integer number (81557211).

Almost surely, 2^163114421 is an apocalyptic number.

It is an amenable number.

163114421 is a deficient number, since it is larger than the sum of its proper divisors (1).

163114421 is an equidigital number, since it uses as much as digits as its factorization.

163114421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 23.

The square root of 163114421 is about 12771.6256208832. The cubic root of 163114421 is about 546.3833454466.

Adding to 163114421 its reverse (124411361), we get a palindrome (287525782).

The spelling of 163114421 in words is "one hundred sixty-three million, one hundred fourteen thousand, four hundred twenty-one".