161829118163 has 2 divisors, whose sum is σ = 161829118164. Its totient is φ = 161829118162.

The previous prime is 161829118141. The next prime is 161829118177. The reversal of 161829118163 is 361811928161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161829118163 - 2⁸ = 161829117907 is a prime.

It is not a weakly prime, because it can be changed into another prime (161829118193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80914559081 + 80914559082.

It is an arithmetic number, because the mean of its divisors is an integer number (80914559082).

Almost surely, 2^161829118163 is an apocalyptic number.

161829118163 is a deficient number, since it is larger than the sum of its proper divisors (1).

161829118163 is an equidigital number, since it uses as much as digits as its factorization.

161829118163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 47.

The spelling of 161829118163 in words is "one hundred sixty-one billion, eight hundred twenty-nine million, one hundred eighteen thousand, one hundred sixty-three".