163270163 has 4 divisors (see below), whose sum is σ = 186594480. Its totient is φ = 139945848.

The previous prime is 163270139. The next prime is 163270187. The reversal of 163270163 is 361072361.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (163270139) and next prime (163270187).

It is not a de Polignac number, because 163270163 - 2¹⁶ = 163204627 is a prime.

It is a super-2 number, since 2×163270163² = 53314292252093138, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163270103) 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, 11662148 + ... + 11662161.

It is an arithmetic number, because the mean of its divisors is an integer number (46648620).

Almost surely, 2^163270163 is an apocalyptic number.

163270163 is a deficient number, since it is larger than the sum of its proper divisors (23324317).

163270163 is an equidigital number, since it uses as much as digits as its factorization.

163270163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23324316.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 163270163 is about 12777.7213539817. The cubic root of 163270163 is about 546.5571861283.

The spelling of 163270163 in words is "one hundred sixty-three million, two hundred seventy thousand, one hundred sixty-three".