14166378879 has 4 divisors (see below), whose sum is σ = 18888505176. Its totient is φ = 9444252584.

The previous prime is 14166378827. The next prime is 14166378887. The reversal of 14166378879 is 97887366141.

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

It is a cyclic number.

It is not a de Polignac number, because 14166378879 - 2⁸ = 14166378623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14166378979) 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, 2361063144 + ... + 2361063149.

It is an arithmetic number, because the mean of its divisors is an integer number (4722126294).

Almost surely, 2^14166378879 is an apocalyptic number.

14166378879 is a deficient number, since it is larger than the sum of its proper divisors (4722126297).

14166378879 is an equidigital number, since it uses as much as digits as its factorization.

14166378879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722126296.

The product of its digits is 12192768, while the sum is 60.

It can be divided in two parts, 1416637 and 8879, that added together give a triangular number (1425516 = T₁₆₈₈).

The spelling of 14166378879 in words is "fourteen billion, one hundred sixty-six million, three hundred seventy-eight thousand, eight hundred seventy-nine".