12136335166 has 4 divisors (see below), whose sum is σ = 18204502752. Its totient is φ = 6068167582.

The previous prime is 12136335163. The next prime is 12136335199. The reversal of 12136335166 is 66153363121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12136335166² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12136335163) 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 as a sum of consecutive naturals, namely, 3034083790 + ... + 3034083793.

It is an arithmetic number, because the mean of its divisors is an integer number (4551125688).

Almost surely, 2^12136335166 is an apocalyptic number.

12136335166 is a deficient number, since it is larger than the sum of its proper divisors (6068167586).

12136335166 is an equidigital number, since it uses as much as digits as its factorization.

12136335166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068167585.

The product of its digits is 58320, while the sum is 37.

Adding to 12136335166 its reverse (66153363121), we get a palindrome (78289698287).

The spelling of 12136335166 in words is "twelve billion, one hundred thirty-six million, three hundred thirty-five thousand, one hundred sixty-six".