4686223196161 has 4 divisors (see below), whose sum is σ = 5046701903572. Its totient is φ = 4325744488752.

The previous prime is 4686223196087. The next prime is 4686223196177. The reversal of 4686223196161 is 1616913226864.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1011502890225 + 3674720305936 = 1005735^2 + 1916956^2 .

It is a cyclic number.

It is not a de Polignac number, because 4686223196161 - 2⁹ = 4686223195649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4686223116161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180239353686 + ... + 180239353711.

It is an arithmetic number, because the mean of its divisors is an integer number (1261675475893).

Almost surely, 2^{4686223196161} is an apocalyptic number.

It is an amenable number.

4686223196161 is a deficient number, since it is larger than the sum of its proper divisors (360478707411).

4686223196161 is a wasteful number, since it uses less digits than its factorization.

4686223196161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360478707410.

The product of its digits is 4478976, while the sum is 55.

The spelling of 4686223196161 in words is "four trillion, six hundred eighty-six billion, two hundred twenty-three million, one hundred ninety-six thousand, one hundred sixty-one".