161160193 has 2 divisors, whose sum is σ = 161160194. Its totient is φ = 161160192.

The previous prime is 161160161. The next prime is 161160199. The reversal of 161160193 is 391061161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159592689 + 1567504 = 12633^2 + 1252^2 .

It is a cyclic number.

It is not a de Polignac number, because 161160193 - 2⁵ = 161160161 is a prime.

It is not a weakly prime, because it can be changed into another prime (161160199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80580096 + 80580097.

It is an arithmetic number, because the mean of its divisors is an integer number (80580097).

Almost surely, 2^161160193 is an apocalyptic number.

It is an amenable number.

161160193 is a deficient number, since it is larger than the sum of its proper divisors (1).

161160193 is an equidigital number, since it uses as much as digits as its factorization.

161160193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 161160193 is about 12694.8884595336. Note that the first 3 decimals coincide. The cubic root of 161160193 is about 544.1925511878.

The spelling of 161160193 in words is "one hundred sixty-one million, one hundred sixty thousand, one hundred ninety-three".