12428437166 has 8 divisors (see below), whose sum is σ = 18645667320. Its totient is φ = 6213214728.

The previous prime is 12428437037. The next prime is 12428437169. The reversal of 12428437166 is 66173482421.

It is a happy number.

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

It is a super-2 number, since 2×12428437166² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12428437169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486356 + ... + 511271.

It is an arithmetic number, because the mean of its divisors is an integer number (2330708415).

Almost surely, 2^12428437166 is an apocalyptic number.

12428437166 is a deficient number, since it is larger than the sum of its proper divisors (6217230154).

12428437166 is an equidigital number, since it uses as much as digits as its factorization.

12428437166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003858.

The product of its digits is 387072, while the sum is 44.

The spelling of 12428437166 in words is "twelve billion, four hundred twenty-eight million, four hundred thirty-seven thousand, one hundred sixty-six".