163500 has 48 divisors (see below), whose sum is σ = 480480. Its totient is φ = 43200.

The previous prime is 163487. The next prime is 163517. The reversal of 163500 is 5361.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 163500.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1446 + ... + 1554.

It is an arithmetic number, because the mean of its divisors is an integer number (10010).

2¹⁶³⁵⁰⁰ is an apocalyptic number.

163500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240240).

163500 is an abundant number, since it is smaller than the sum of its proper divisors (316980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163500 is a wasteful number, since it uses less digits than its factorization.

163500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 119 counting only the distinct ones).

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

The square root of 163500 is about 404.3513323831. The cubic root of 163500 is about 54.6813530506.

Adding to 163500 its reverse (5361), we get a palindrome (168861).

The spelling of 163500 in words is "one hundred sixty-three thousand, five hundred".