9815738163 has 36 divisors (see below), whose sum is σ = 16734299400. Its totient is φ = 5099075520.

The previous prime is 9815738161. The next prime is 9815738189. The reversal of 9815738163 is 3618375189.

It is not a de Polignac number, because 9815738163 - 2¹ = 9815738161 is a prime.

It is a super-2 number, since 2×9815738163² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9815738161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 258138 + ... + 293711.

It is an arithmetic number, because the mean of its divisors is an integer number (464841650).

Almost surely, 2^9815738163 is an apocalyptic number.

9815738163 is a deficient number, since it is larger than the sum of its proper divisors (6918561237).

9815738163 is a wasteful number, since it uses less digits than its factorization.

9815738163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551888 (or 551870 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 9815738163 is about 99074.4072048882. The cubic root of 9815738163 is about 2141.1199020116.

The spelling of 9815738163 in words is "nine billion, eight hundred fifteen million, seven hundred thirty-eight thousand, one hundred sixty-three".