12168187937 has 8 divisors (see below), whose sum is σ = 12885267456. Its totient is φ = 11451253312.

The previous prime is 12168187909. The next prime is 12168187943. The reversal of 12168187937 is 73978186121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12168187937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12168189937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170408 + ... + 231030.

It is an arithmetic number, because the mean of its divisors is an integer number (1610658432).

Almost surely, 2^12168187937 is an apocalyptic number.

12168187937 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12168187937 is a deficient number, since it is larger than the sum of its proper divisors (717079519).

12168187937 is a wasteful number, since it uses less digits than its factorization.

12168187937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72447.

The product of its digits is 1016064, while the sum is 53.

The spelling of 12168187937 in words is "twelve billion, one hundred sixty-eight million, one hundred eighty-seven thousand, nine hundred thirty-seven".