160166161 has 8 divisors (see below), whose sum is σ = 162749384. Its totient is φ = 157593600.

The previous prime is 160166141. The next prime is 160166183. The reversal of 160166161 is 161661061.

It can be written as a sum of positive squares in 4 ways, for example, as 61779600 + 98386561 = 7860^2 + 9919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 160166161 - 2⁷ = 160166033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160166141) 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 in 7 ways as a sum of consecutive naturals, for example, 30961 + ... + 35761.

It is an arithmetic number, because the mean of its divisors is an integer number (20343673).

Almost surely, 2^160166161 is an apocalyptic number.

It is an amenable number.

160166161 is a deficient number, since it is larger than the sum of its proper divisors (2583223).

160166161 is an equidigital number, since it uses as much as digits as its factorization.

160166161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 160166161 is about 12655.6770265364. The cubic root of 160166161 is about 543.0713876119.

The spelling of 160166161 in words is "one hundred sixty million, one hundred sixty-six thousand, one hundred sixty-one".