12432166688 has 12 divisors (see below), whose sum is σ = 24475828230. Its totient is φ = 6216083328.

The previous prime is 12432166667. The next prime is 12432166693. The reversal of 12432166688 is 88666123421.

It can be written as a sum of positive squares in only one way, i.e., 12407286544 + 24880144 = 111388^2 + 4988^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194252573 + ... + 194252636.

Almost surely, 2^12432166688 is an apocalyptic number.

It is an amenable number.

12432166688 is a deficient number, since it is larger than the sum of its proper divisors (12043661542).

12432166688 is an equidigital number, since it uses as much as digits as its factorization.

12432166688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388505219 (or 388505211 counting only the distinct ones).

The product of its digits is 663552, while the sum is 47.

The spelling of 12432166688 in words is "twelve billion, four hundred thirty-two million, one hundred sixty-six thousand, six hundred eighty-eight".