14221878161 has 8 divisors (see below), whose sum is σ = 14376345984. Its totient is φ = 14067725760.

The previous prime is 14221878137. The next prime is 14221878169. The reversal of 14221878161 is 16187812241.

14221878161 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14221878161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14221878169) 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 7 ways as a sum of consecutive naturals, for example, 12380 + ... + 169106.

It is an arithmetic number, because the mean of its divisors is an integer number (1797043248).

Almost surely, 2^14221878161 is an apocalyptic number.

It is an amenable number.

14221878161 is a deficient number, since it is larger than the sum of its proper divisors (154467823).

14221878161 is a wasteful number, since it uses less digits than its factorization.

14221878161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157711.

The product of its digits is 43008, while the sum is 41.

The spelling of 14221878161 in words is "fourteen billion, two hundred twenty-one million, eight hundred seventy-eight thousand, one hundred sixty-one".