162336161 has 6 divisors (see below), whose sum is σ = 175784310. Its totient is φ = 149848608.

The previous prime is 162336157. The next prime is 162336169. The reversal of 162336161 is 161633261.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 22505536 + 139830625 = 4744^2 + 11825^2 .

It is not a de Polignac number, because 162336161 - 2² = 162336157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162336169) 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 5 ways as a sum of consecutive naturals, for example, 480116 + ... + 480453.

It is an arithmetic number, because the mean of its divisors is an integer number (29297385).

Almost surely, 2^162336161 is an apocalyptic number.

It is an amenable number.

162336161 is a deficient number, since it is larger than the sum of its proper divisors (13448149).

162336161 is an equidigital number, since it uses as much as digits as its factorization.

162336161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960595 (or 960582 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 162336161 is about 12741.1208690601. The cubic root of 162336161 is about 545.5129821996.

The spelling of 162336161 in words is "one hundred sixty-two million, three hundred thirty-six thousand, one hundred sixty-one".