12766374209163 has 8 divisors (see below), whose sum is σ = 17261576395776. Its totient is φ = 8391044081000.

The previous prime is 12766374209123. The next prime is 12766374209191. The reversal of 12766374209163 is 36190247366721.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12766374209163 - 2¹³ = 12766374200971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12766374209123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29968014363 + ... + 29968014788.

It is an arithmetic number, because the mean of its divisors is an integer number (2157697049472).

Almost surely, 2^{12766374209163} is an apocalyptic number.

12766374209163 is a deficient number, since it is larger than the sum of its proper divisors (4495202186613).

12766374209163 is an equidigital number, since it uses as much as digits as its factorization.

12766374209163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59936029225.

The product of its (nonzero) digits is 13716864, while the sum is 57.

The spelling of 12766374209163 in words is "twelve trillion, seven hundred sixty-six billion, three hundred seventy-four million, two hundred nine thousand, one hundred sixty-three".