8163688229 has 2 divisors, whose sum is σ = 8163688230. Its totient is φ = 8163688228.

The previous prime is 8163688217. The next prime is 8163688237. The reversal of 8163688229 is 9228863618.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8152284100 + 11404129 = 90290^2 + 3377^2 .

It is a cyclic number.

It is not a de Polignac number, because 8163688229 - 2¹⁶ = 8163622693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8163688259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4081844114 + 4081844115.

It is an arithmetic number, because the mean of its divisors is an integer number (4081844115).

Almost surely, 2^8163688229 is an apocalyptic number.

It is an amenable number.

8163688229 is a deficient number, since it is larger than the sum of its proper divisors (1).

8163688229 is an equidigital number, since it uses as much as digits as its factorization.

8163688229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 53.

The square root of 8163688229 is about 90353.1307094558. The cubic root of 8163688229 is about 2013.5486949250.

The spelling of 8163688229 in words is "eight billion, one hundred sixty-three million, six hundred eighty-eight thousand, two hundred twenty-nine".