12163257873 has 24 divisors (see below), whose sum is σ = 19916449280. Its totient is φ = 7091128800.

The previous prime is 12163257871. The next prime is 12163257941. The reversal of 12163257873 is 37875236121.

12163257873 is a `hidden beast` number, since 1 + 2 + 1 + 6 + 3 + 2 + 578 + 73 = 666.

12163257873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12163257873 - 2¹ = 12163257871 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12163257871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2733553 + ... + 2737998.

Almost surely, 2^12163257873 is an apocalyptic number.

12163257873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12163257873 is a deficient number, since it is larger than the sum of its proper divisors (7753191407).

12163257873 is a wasteful number, since it uses less digits than its factorization.

12163257873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471589 (or 5471586 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The spelling of 12163257873 in words is "twelve billion, one hundred sixty-three million, two hundred fifty-seven thousand, eight hundred seventy-three".