163438080 has 160 divisors (see below), whose sum is σ = 563026464. Its totient is φ = 40206336.

The previous prime is 163438063. The next prime is 163438081. The reversal of 163438080 is 80834361.

163438080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163438081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99022 + ... + 100658.

Almost surely, 2^163438080 is an apocalyptic number.

163438080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163438080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281513232).

163438080 is an abundant number, since it is smaller than the sum of its proper divisors (399588384).

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

163438080 is a wasteful number, since it uses less digits than its factorization.

163438080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676 (or 1660 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 163438080 is about 12784.2903596563. The cubic root of 163438080 is about 546.7444928526.

The spelling of 163438080 in words is "one hundred sixty-three million, four hundred thirty-eight thousand, eighty".