163005 has 8 divisors (see below), whose sum is σ = 260832. Its totient is φ = 86928.

The previous prime is 163003. The next prime is 163019. The reversal of 163005 is 500361.

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

It is not a de Polignac number, because 163005 - 2¹ = 163003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 10867 = 163005 / (1 + 6 + 3 + 0 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163003) 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, 5419 + ... + 5448.

It is an arithmetic number, because the mean of its divisors is an integer number (32604).

2¹⁶³⁰⁰⁵ is an apocalyptic number.

163005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163005 is a deficient number, since it is larger than the sum of its proper divisors (97827).

163005 is a wasteful number, since it uses less digits than its factorization.

163005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10875.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 163005 is about 403.7387769338. The cubic root of 163005 is about 54.6261142506.

Adding to 163005 its reverse (500361), we get a palindrome (663366).

The spelling of 163005 in words is "one hundred sixty-three thousand, five".