163345 has 16 divisors (see below), whose sum is σ = 241920. Its totient is φ = 103104.

The previous prime is 163337. The next prime is 163351. The reversal of 163345 is 543361.

163345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 163345 - 2³ = 163337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276 + ... + 634.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2¹⁶³³⁴⁵ is an apocalyptic number.

It is an amenable number.

163345 is a deficient number, since it is larger than the sum of its proper divisors (78575).

163345 is a wasteful number, since it uses less digits than its factorization.

163345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384.

The product of its digits is 1080, while the sum is 22.

The square root of 163345 is about 404.1596219317. The cubic root of 163345 is about 54.6640680568.

The spelling of 163345 in words is "one hundred sixty-three thousand, three hundred forty-five".