161341050791 has 2 divisors, whose sum is σ = 161341050792. Its totient is φ = 161341050790.

The previous prime is 161341050721. The next prime is 161341050809. The reversal of 161341050791 is 197050143161.

161341050791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161341050791 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161341050701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80670525395 + 80670525396.

It is an arithmetic number, because the mean of its divisors is an integer number (80670525396).

Almost surely, 2^161341050791 is an apocalyptic number.

161341050791 is a deficient number, since it is larger than the sum of its proper divisors (1).

161341050791 is an equidigital number, since it uses as much as digits as its factorization.

161341050791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 38.

The spelling of 161341050791 in words is "one hundred sixty-one billion, three hundred forty-one million, fifty thousand, seven hundred ninety-one".