12651541366 has 8 divisors (see below), whose sum is σ = 18996048864. Its totient is φ = 6319525080.

The previous prime is 12651541327. The next prime is 12651541367. The reversal of 12651541366 is 66314515621.

It is a happy number.

12651541366 is digitally balanced in base 5, 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 super-2 number, since 2×12651541366² (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 (12651541367) 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, 3120270 + ... + 3124321.

It is an arithmetic number, because the mean of its divisors is an integer number (2374506108).

Almost surely, 2^12651541366 is an apocalyptic number.

12651541366 is a deficient number, since it is larger than the sum of its proper divisors (6344507498).

12651541366 is a wasteful number, since it uses less digits than its factorization.

12651541366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6245606.

The product of its digits is 129600, while the sum is 40.

The spelling of 12651541366 in words is "twelve billion, six hundred fifty-one million, five hundred forty-one thousand, three hundred sixty-six".