163528 has 8 divisors (see below), whose sum is σ = 306630. Its totient is φ = 81760.

The previous prime is 163517. The next prime is 163543. The reversal of 163528 is 825361.

It is a happy number.

163528 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in only one way, i.e., 114244 + 49284 = 338^2 + 222^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is an unprimeable number.

163528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10213 + ... + 10228.

2¹⁶³⁵²⁸ is an apocalyptic number.

It is an amenable number.

163528 is a deficient number, since it is larger than the sum of its proper divisors (143102).

163528 is a wasteful number, since it uses less digits than its factorization.

163528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20447 (or 20443 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 163528 is about 404.3859542566. The cubic root of 163528 is about 54.6844743360.

Adding to 163528 its reverse (825361), we get a palindrome (988889).

It can be divided in two parts, 16352 and 8, that multiplied together give a triangular number (130816 = T₅₁₁).

The spelling of 163528 in words is "one hundred sixty-three thousand, five hundred twenty-eight".