163355 has 8 divisors (see below), whose sum is σ = 201552. Its totient is φ = 127008.

The previous prime is 163351. The next prime is 163363. The reversal of 163355 is 553361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163355 - 2² = 163351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163355.

It is not an unprimeable number, because it can be changed into a prime (163351) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 257 + ... + 626.

It is an arithmetic number, because the mean of its divisors is an integer number (25194).

2¹⁶³³⁵⁵ is an apocalyptic number.

163355 is a deficient number, since it is larger than the sum of its proper divisors (38197).

163355 is an equidigital number, since it uses as much as digits as its factorization.

163355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925.

The product of its digits is 1350, while the sum is 23.

The square root of 163355 is about 404.1719930920. The cubic root of 163355 is about 54.6651835476.

The spelling of 163355 in words is "one hundred sixty-three thousand, three hundred fifty-five".