194605820114161 has 3 divisors (see below), whose sum is σ = 194605834064281. Its totient is φ = 194605806164042.

The previous prime is 194605820114149. The next prime is 194605820114201. The reversal of 194605820114161 is 161411028506491.

The square root of 194605820114161 is 13950119.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 194605820114161 - 2⁵ = 194605820114129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194605020114161) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6975060 + ... + 20925178.

Almost surely, 2^{194605820114161} is an apocalyptic number.

194605820114161 is the 13950119-th square number.

194605820114161 is the 6975060-th centered octagonal number.

It is an amenable number.

194605820114161 is a deficient number, since it is larger than the sum of its proper divisors (13950120).

194605820114161 is an frugal number, since it uses more digits than its factorization.

194605820114161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27900238 (or 13950119 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 49.

The spelling of 194605820114161 in words is "one hundred ninety-four trillion, six hundred five billion, eight hundred twenty million, one hundred fourteen thousand, one hundred sixty-one".