163301161 has 4 divisors (see below), whose sum is σ = 163403524. Its totient is φ = 163198800.

The previous prime is 163301147. The next prime is 163301189. The reversal of 163301161 is 161103361.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161103361 = 3719 ⋅43319.

It can be written as a sum of positive squares in 2 ways, for example, as 100400400 + 62900761 = 10020^2 + 7931^2 .

It is a cyclic number.

It is not a de Polignac number, because 163301161 - 2¹⁵ = 163268393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163301111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48750 + ... + 51991.

It is an arithmetic number, because the mean of its divisors is an integer number (40850881).

Almost surely, 2^163301161 is an apocalyptic number.

It is an amenable number.

163301161 is a deficient number, since it is larger than the sum of its proper divisors (102363).

163301161 is a wasteful number, since it uses less digits than its factorization.

163301161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102362.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 163301161 is about 12778.9342669880. The cubic root of 163301161 is about 546.5917731940.

The spelling of 163301161 in words is "one hundred sixty-three million, three hundred one thousand, one hundred sixty-one".