163448128 has 28 divisors (see below), whose sum is σ = 325718932. Its totient is φ = 81377280.

The previous prime is 163448119. The next prime is 163448141. The reversal of 163448128 is 821844361.

It can be written as a sum of positive squares in 2 ways, for example, as 54287424 + 109160704 = 7368^2 + 10448^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10126 + ... + 20722.

It is an arithmetic number, because the mean of its divisors is an integer number (11632819).

Almost surely, 2^163448128 is an apocalyptic number.

It is an amenable number.

163448128 is a deficient number, since it is larger than the sum of its proper divisors (162270804).

163448128 is a wasteful number, since it uses less digits than its factorization.

163448128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10850 (or 10840 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 163448128 is about 12784.6833359298. The cubic root of 163448128 is about 546.7556970470.

The spelling of 163448128 in words is "one hundred sixty-three million, four hundred forty-eight thousand, one hundred twenty-eight".