163840008 has 64 divisors (see below), whose sum is σ = 417493440. Its totient is φ = 53571584.

The previous prime is 163840007. The next prime is 163840043. The reversal of 163840008 is 800048361.

It is a happy number.

163840008 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (163840007) 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, 463960 + ... + 464312.

It is an arithmetic number, because the mean of its divisors is an integer number (6523335).

Almost surely, 2^163840008 is an apocalyptic number.

It is an amenable number.

163840008 is an abundant number, since it is smaller than the sum of its proper divisors (253653432).

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

163840008 is a wasteful number, since it uses less digits than its factorization.

163840008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 163840008 is about 12800.0003125000. Note that the first 3 decimals coincide. The cubic root of 163840008 is about 547.1923118427.

Adding to 163840008 its reverse (800048361), we get a palindrome (963888369).

The spelling of 163840008 in words is "one hundred sixty-three million, eight hundred forty thousand, eight".