161741488211 has 2 divisors, whose sum is σ = 161741488212. Its totient is φ = 161741488210.

The previous prime is 161741488199. The next prime is 161741488273. The reversal of 161741488211 is 112884147161.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161741488211 is a prime.

It is a super-3 number, since 3×161741488211³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (161741488291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80870744105 + 80870744106.

It is an arithmetic number, because the mean of its divisors is an integer number (80870744106).

Almost surely, 2^161741488211 is an apocalyptic number.

161741488211 is a deficient number, since it is larger than the sum of its proper divisors (1).

161741488211 is an equidigital number, since it uses as much as digits as its factorization.

161741488211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 44.

The spelling of 161741488211 in words is "one hundred sixty-one billion, seven hundred forty-one million, four hundred eighty-eight thousand, two hundred eleven".