12806163546 has 32 divisors (see below), whose sum is σ = 29584294848. Its totient is φ = 3652381440.

The previous prime is 12806163511. The next prime is 12806163577. The reversal of 12806163546 is 64536160821.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12806163498 and 12806163507.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5705725 + ... + 5707968.

It is an arithmetic number, because the mean of its divisors is an integer number (924509214).

Almost surely, 2^12806163546 is an apocalyptic number.

12806163546 is an abundant number, since it is smaller than the sum of its proper divisors (16778131302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12806163546 is a wasteful number, since it uses less digits than its factorization.

12806163546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11413726.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 12806163546 in words is "twelve billion, eight hundred six million, one hundred sixty-three thousand, five hundred forty-six".