12163183391 has 4 divisors (see below), whose sum is σ = 12237804312. Its totient is φ = 12088562472.

The previous prime is 12163183387. The next prime is 12163183411. The reversal of 12163183391 is 19338136121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12163183391 - 2² = 12163183387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12163183301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37310216 + ... + 37310541.

It is an arithmetic number, because the mean of its divisors is an integer number (3059451078).

Almost surely, 2^12163183391 is an apocalyptic number.

12163183391 is a deficient number, since it is larger than the sum of its proper divisors (74620921).

12163183391 is an equidigital number, since it uses as much as digits as its factorization.

12163183391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74620920.

The product of its digits is 23328, while the sum is 38.

The spelling of 12163183391 in words is "twelve billion, one hundred sixty-three million, one hundred eighty-three thousand, three hundred ninety-one".