160042171 has 2 divisors, whose sum is σ = 160042172. Its totient is φ = 160042170.

The previous prime is 160042153. The next prime is 160042219. The reversal of 160042171 is 171240061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 160042171 - 2²¹ = 157945019 is a prime.

It is a super-2 number, since 2×160042171² = 51226992996786482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (160040171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80021085 + 80021086.

It is an arithmetic number, because the mean of its divisors is an integer number (80021086).

Almost surely, 2^160042171 is an apocalyptic number.

160042171 is a deficient number, since it is larger than the sum of its proper divisors (1).

160042171 is an equidigital number, since it uses as much as digits as its factorization.

160042171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 160042171 is about 12650.7774859888. Note that the first 3 decimals coincide. The cubic root of 160042171 is about 542.9312148398.

The spelling of 160042171 in words is "one hundred sixty million, forty-two thousand, one hundred seventy-one".