161848267342171 has 2 divisors, whose sum is σ = 161848267342172. Its totient is φ = 161848267342170.

The previous prime is 161848267342141. The next prime is 161848267342187. The reversal of 161848267342171 is 171243762848161.

It is a strong prime.

It is an emirp because it is prime and its reverse (171243762848161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161848267342171 is a prime.

It is not a weakly prime, because it can be changed into another prime (161848267342141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80924133671085 + 80924133671086.

It is an arithmetic number, because the mean of its divisors is an integer number (80924133671086).

Almost surely, 2^{161848267342171} is an apocalyptic number.

161848267342171 is a deficient number, since it is larger than the sum of its proper divisors (1).

161848267342171 is an equidigital number, since it uses as much as digits as its factorization.

161848267342171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21676032, while the sum is 61.

The spelling of 161848267342171 in words is "one hundred sixty-one trillion, eight hundred forty-eight billion, two hundred sixty-seven million, three hundred forty-two thousand, one hundred seventy-one".