163161165 has 8 divisors (see below), whose sum is σ = 261057888. Its totient is φ = 87019280.

The previous prime is 163161161. The next prime is 163161191. The reversal of 163161165 is 561161361.

163161165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 163161165 - 2² = 163161161 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163161161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5438691 + ... + 5438720.

It is an arithmetic number, because the mean of its divisors is an integer number (32632236).

Almost surely, 2^163161165 is an apocalyptic number.

163161165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163161165 is a deficient number, since it is larger than the sum of its proper divisors (97896723).

163161165 is a wasteful number, since it uses less digits than its factorization.

163161165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10877419.

The product of its digits is 3240, while the sum is 30.

The square root of 163161165 is about 12773.4554839323. The cubic root of 163161165 is about 546.4355331555.

The spelling of 163161165 in words is "one hundred sixty-three million, one hundred sixty-one thousand, one hundred sixty-five".