12168180543 has 8 divisors (see below), whose sum is σ = 16747603456. Its totient is φ = 7850439000.

The previous prime is 12168180517. The next prime is 12168180551. The reversal of 12168180543 is 34508186121.

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

It is not a de Polignac number, because 12168180543 - 2²² = 12163986239 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 (12168180503) 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, 65420233 + ... + 65420418.

It is an arithmetic number, because the mean of its divisors is an integer number (2093450432).

Almost surely, 2^12168180543 is an apocalyptic number.

12168180543 is a deficient number, since it is larger than the sum of its proper divisors (4579422913).

12168180543 is a wasteful number, since it uses less digits than its factorization.

12168180543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130840685.

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 12168180543 in words is "twelve billion, one hundred sixty-eight million, one hundred eighty thousand, five hundred forty-three".