163908382 has 16 divisors (see below), whose sum is σ = 268468992. Its totient is φ = 74432920.

The previous prime is 163908361. The next prime is 163908401. The reversal of 163908382 is 283809361.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25323 + ... + 31129.

It is an arithmetic number, because the mean of its divisors is an integer number (16779312).

Almost surely, 2^163908382 is an apocalyptic number.

163908382 is a deficient number, since it is larger than the sum of its proper divisors (104560610).

163908382 is a wasteful number, since it uses less digits than its factorization.

163908382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 163908382 is about 12802.6708932160. The cubic root of 163908382 is about 547.2684196755.

The spelling of 163908382 in words is "one hundred sixty-three million, nine hundred eight thousand, three hundred eighty-two".