163369 has 4 divisors (see below), whose sum is σ = 170496. Its totient is φ = 156244.

The previous prime is 163367. The next prime is 163393. The reversal of 163369 is 963361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 963361 = 7 ⋅137623.

It is a cyclic number.

It is not a de Polignac number, because 163369 - 2¹ = 163367 is a prime.

It is a super-2 number, since 2×163369² = 53378860322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3529 + ... + 3574.

It is an arithmetic number, because the mean of its divisors is an integer number (42624).

2¹⁶³³⁶⁹ is an apocalyptic number.

It is an amenable number.

163369 is a deficient number, since it is larger than the sum of its proper divisors (7127).

163369 is an equidigital number, since it uses as much as digits as its factorization.

163369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7126.

The product of its digits is 2916, while the sum is 28.

The square root of 163369 is about 404.1893120804. The cubic root of 163369 is about 54.6667451582. Note that the first 3 decimals are identical.

The spelling of 163369 in words is "one hundred sixty-three thousand, three hundred sixty-nine".