163675 has 6 divisors (see below), whose sum is σ = 202988. Its totient is φ = 130920.

The previous prime is 163673. The next prime is 163679. The reversal of 163675 is 576361.

It is not a de Polignac number, because 163675 - 2¹ = 163673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3249 + ... + 3298.

2¹⁶³⁶⁷⁵ is an apocalyptic number.

163675 is a deficient number, since it is larger than the sum of its proper divisors (39313).

163675 is an equidigital number, since it uses as much as digits as its factorization.

163675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6557 (or 6552 counting only the distinct ones).

The product of its digits is 3780, while the sum is 28.

The square root of 163675 is about 404.5676704829. The cubic root of 163675 is about 54.7008552417.

Subtracting from 163675 its product of digits (3780), we obtain a triangular number (159895 = T₅₆₅).

Subtracting 163675 from its reverse (576361), we obtain a triangular number (412686 = T₉₀₈).

It can be divided in two parts, 1636 and 75, that added together give a triangular number (1711 = T₅₈).

The spelling of 163675 in words is "one hundred sixty-three thousand, six hundred seventy-five".