189813829196161 has 16 divisors (see below), whose sum is σ = 191872951934400. Its totient is φ = 187760509299648.

The previous prime is 189813829196137. The next prime is 189813829196263. The reversal of 189813829196161 is 161691928318981.

189813829196161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 189813829196161 - 2⁵ = 189813829196129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189813829196861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2118342186 + ... + 2118431788.

It is an arithmetic number, because the mean of its divisors is an integer number (11992059495900).

Almost surely, 2^{189813829196161} is an apocalyptic number.

It is an amenable number.

189813829196161 is a deficient number, since it is larger than the sum of its proper divisors (2059122738239).

189813829196161 is a wasteful number, since it uses less digits than its factorization.

189813829196161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121728.

The product of its digits is 80621568, while the sum is 73.

The spelling of 189813829196161 in words is "one hundred eighty-nine trillion, eight hundred thirteen billion, eight hundred twenty-nine million, one hundred ninety-six thousand, one hundred sixty-one".