12432166689 has 8 divisors (see below), whose sum is σ = 16578444832. Its totient is φ = 8286999840.

The previous prime is 12432166667. The next prime is 12432166693. The reversal of 12432166689 is 98666123421.

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

It is not a de Polignac number, because 12432166689 - 2⁸ = 12432166433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12432166639) 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, 251359 + ... + 296724.

It is an arithmetic number, because the mean of its divisors is an integer number (2072305604).

Almost surely, 2^12432166689 is an apocalyptic number.

It is an amenable number.

12432166689 is a deficient number, since it is larger than the sum of its proper divisors (4146278143).

12432166689 is an equidigital number, since it uses as much as digits as its factorization.

12432166689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555647.

The product of its digits is 746496, while the sum is 48.

The spelling of 12432166689 in words is "twelve billion, four hundred thirty-two million, one hundred sixty-six thousand, six hundred eighty-nine".