163015 has 4 divisors (see below), whose sum is σ = 195624. Its totient is φ = 130408.

The previous prime is 163003. The next prime is 163019. The reversal of 163015 is 510361.

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

It is a cyclic number.

It is not a de Polignac number, because 163015 - 2¹¹ = 160967 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 163015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16297 + ... + 16306.

It is an arithmetic number, because the mean of its divisors is an integer number (48906).

2¹⁶³⁰¹⁵ is an apocalyptic number.

163015 is a deficient number, since it is larger than the sum of its proper divisors (32609).

163015 is an equidigital number, since it uses as much as digits as its factorization.

163015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32608.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 163015 is about 403.7511609890. The cubic root of 163015 is about 54.6272312920.

Adding to 163015 its reverse (510361), we get a palindrome (673376).

The spelling of 163015 in words is "one hundred sixty-three thousand, fifteen".