12163849775 has 48 divisors (see below), whose sum is σ = 19911225600. Its totient is φ = 7136601600.

The previous prime is 12163849757. The next prime is 12163849801. The reversal of 12163849775 is 57794836121.

It is not a de Polignac number, because 12163849775 - 2²⁰ = 12162801199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153125 + ... + 218574.

It is an arithmetic number, because the mean of its divisors is an integer number (414817200).

Almost surely, 2^12163849775 is an apocalyptic number.

12163849775 is a deficient number, since it is larger than the sum of its proper divisors (7747375825).

12163849775 is a wasteful number, since it uses less digits than its factorization.

12163849775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371744 (or 371739 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The spelling of 12163849775 in words is "twelve billion, one hundred sixty-three million, eight hundred forty-nine thousand, seven hundred seventy-five".