8163463621171 has 2 divisors, whose sum is σ = 8163463621172. Its totient is φ = 8163463621170.

The previous prime is 8163463621163. The next prime is 8163463621231. The reversal of 8163463621171 is 1711263643618.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8163463621171 - 2³ = 8163463621163 is a prime.

It is a super-2 number, since 2×8163463621171² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8163463621141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4081731810585 + 4081731810586.

It is an arithmetic number, because the mean of its divisors is an integer number (4081731810586).

Almost surely, 2^{8163463621171} is an apocalyptic number.

8163463621171 is a deficient number, since it is larger than the sum of its proper divisors (1).

8163463621171 is an equidigital number, since it uses as much as digits as its factorization.

8163463621171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The spelling of 8163463621171 in words is "eight trillion, one hundred sixty-three billion, four hundred sixty-three million, six hundred twenty-one thousand, one hundred seventy-one".