163408 has 20 divisors (see below), whose sum is σ = 362080. Its totient is φ = 69984.

The previous prime is 163403. The next prime is 163409. The reversal of 163408 is 804361.

163408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163403) 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, 618 + ... + 841.

It is an arithmetic number, because the mean of its divisors is an integer number (18104).

2¹⁶³⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

163408 is an abundant number, since it is smaller than the sum of its proper divisors (198672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163408 is a wasteful number, since it uses less digits than its factorization.

163408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474 (or 1468 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 163408 is about 404.2375539210. The cubic root of 163408 is about 54.6710948888.

Adding to 163408 its reverse (804361), we get a palindrome (967769).

The spelling of 163408 in words is "one hundred sixty-three thousand, four hundred eight".