163648 has 14 divisors (see below), whose sum is σ = 324866. Its totient is φ = 81792.

The previous prime is 163643. The next prime is 163661. The reversal of 163648 is 846361.

163648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 135424 + 28224 = 368^2 + 168^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215 + ... + 1342.

2¹⁶³⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

163648 is a deficient number, since it is larger than the sum of its proper divisors (161218).

163648 is an equidigital number, since it uses as much as digits as its factorization.

163648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569 (or 2559 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 163648 is about 404.5343001527. The cubic root of 163648 is about 54.6978472394.

The spelling of 163648 in words is "one hundred sixty-three thousand, six hundred forty-eight".