12652440166 has 8 divisors (see below), whose sum is σ = 18979413120. Its totient is φ = 6325969128.

The previous prime is 12652440149. The next prime is 12652440167. The reversal of 12652440166 is 66104425621.

12652440166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12652440167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54406 + ... + 168121.

It is an arithmetic number, because the mean of its divisors is an integer number (2372426640).

Almost surely, 2^12652440166 is an apocalyptic number.

12652440166 is a deficient number, since it is larger than the sum of its proper divisors (6326972954).

12652440166 is a wasteful number, since it uses less digits than its factorization.

12652440166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250958.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 12652440166 its reverse (66104425621), we get a palindrome (78756865787).

The spelling of 12652440166 in words is "twelve billion, six hundred fifty-two million, four hundred forty thousand, one hundred sixty-six".