8393993163 has 24 divisors (see below), whose sum is σ = 12521773056. Its totient is φ = 5412884400.

The previous prime is 8393993161. The next prime is 8393993177. The reversal of 8393993163 is 3613993938.

8393993163 is a `hidden beast` number, since 8 + 393 + 9 + 93 + 163 = 666.

It is not a de Polignac number, because 8393993163 - 2¹ = 8393993161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8393993161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 700206 + ... + 712092.

It is an arithmetic number, because the mean of its divisors is an integer number (521740544).

Almost surely, 2^8393993163 is an apocalyptic number.

8393993163 is a deficient number, since it is larger than the sum of its proper divisors (4127779893).

8393993163 is a wasteful number, since it uses less digits than its factorization.

8393993163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14455 (or 14452 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 54.

The square root of 8393993163 is about 91618.7380561422. The cubic root of 8393993163 is about 2032.3080483022.

The spelling of 8393993163 in words is "eight billion, three hundred ninety-three million, nine hundred ninety-three thousand, one hundred sixty-three".