163728344 has 16 divisors (see below), whose sum is σ = 330605520. Its totient is φ = 75566880.

The previous prime is 163728317. The next prime is 163728353. The reversal of 163728344 is 443827361.

It is a junction number, because it is equal to n+sod(n) for n = 163728298 and 163728307.

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 3 ways as a sum of consecutive naturals, for example, 787052 + ... + 787259.

It is an arithmetic number, because the mean of its divisors is an integer number (20662845).

Almost surely, 2^163728344 is an apocalyptic number.

It is an amenable number.

163728344 is an abundant number, since it is smaller than the sum of its proper divisors (166877176).

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

163728344 is a wasteful number, since it uses less digits than its factorization.

163728344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574330 (or 1574326 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 163728344 is about 12795.6376941519. The cubic root of 163728344 is about 547.0679719059.

The spelling of 163728344 in words is "one hundred sixty-three million, seven hundred twenty-eight thousand, three hundred forty-four".