163256 has 8 divisors (see below), whose sum is σ = 306120. Its totient is φ = 81624.

The previous prime is 163249. The next prime is 163259. The reversal of 163256 is 652361.

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

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163259) 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 as a sum of consecutive naturals, namely, 10196 + ... + 10211.

It is an arithmetic number, because the mean of its divisors is an integer number (38265).

2¹⁶³²⁵⁶ is an apocalyptic number.

It is an amenable number.

163256 is a deficient number, since it is larger than the sum of its proper divisors (142864).

163256 is a wasteful number, since it uses less digits than its factorization.

163256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20413 (or 20409 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 163256 is about 404.0495019178. The cubic root of 163256 is about 54.6541381826.

The spelling of 163256 in words is "one hundred sixty-three thousand, two hundred fifty-six".