8163533647 has 2 divisors, whose sum is σ = 8163533648. Its totient is φ = 8163533646.

The previous prime is 8163533627. The next prime is 8163533683. The reversal of 8163533647 is 7463353618.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8163533647 - 2¹⁹ = 8163009359 is a prime.

It is a super-2 number, since 2×8163533647² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8163533597 and 8163533606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8163533627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4081766823 + 4081766824.

It is an arithmetic number, because the mean of its divisors is an integer number (4081766824).

Almost surely, 2^8163533647 is an apocalyptic number.

8163533647 is a deficient number, since it is larger than the sum of its proper divisors (1).

8163533647 is an equidigital number, since it uses as much as digits as its factorization.

8163533647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 46.

The square root of 8163533647 is about 90352.2752729559. The cubic root of 8163533647 is about 2013.5359857858.

The spelling of 8163533647 in words is "eight billion, one hundred sixty-three million, five hundred thirty-three thousand, six hundred forty-seven".