161848163 has 2 divisors, whose sum is σ = 161848164. Its totient is φ = 161848162.

The previous prime is 161848153. The next prime is 161848199. The reversal of 161848163 is 361848161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161848163 - 2¹⁶ = 161782627 is a prime.

It is not a weakly prime, because it can be changed into another prime (161848133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80924081 + 80924082.

It is an arithmetic number, because the mean of its divisors is an integer number (80924082).

Almost surely, 2^161848163 is an apocalyptic number.

161848163 is a deficient number, since it is larger than the sum of its proper divisors (1).

161848163 is an equidigital number, since it uses as much as digits as its factorization.

161848163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 38.

The square root of 161848163 is about 12721.9559423856. The cubic root of 161848163 is about 544.9658121808.

The spelling of 161848163 in words is "one hundred sixty-one million, eight hundred forty-eight thousand, one hundred sixty-three".