163010161 has 6 divisors (see below), whose sum is σ = 173163350. Its totient is φ = 153421056.

The previous prime is 163010153. The next prime is 163010167. The reversal of 163010161 is 161010361.

It can be written as a sum of positive squares in 3 ways, for example, as 41679936 + 121330225 = 6456^2 + 11015^2 .

It is not a de Polignac number, because 163010161 - 2³ = 163010153 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163010167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281736 + ... + 282313.

Almost surely, 2^163010161 is an apocalyptic number.

It is an amenable number.

163010161 is a deficient number, since it is larger than the sum of its proper divisors (10153189).

163010161 is an equidigital number, since it uses as much as digits as its factorization.

163010161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564083 (or 564066 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 163010161 is about 12767.5432640739. The cubic root of 163010161 is about 546.2669076136.

The spelling of 163010161 in words is "one hundred sixty-three million, ten thousand, one hundred sixty-one".