163744328 has 16 divisors (see below), whose sum is σ = 334931760. Its totient is φ = 74429200.

The previous prime is 163744303. The next prime is 163744333. The reversal of 163744328 is 823447361.

It is a junction number, because it is equal to n+sod(n) for n = 163744291 and 163744300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930278 + ... + 930453.

It is an arithmetic number, because the mean of its divisors is an integer number (20933235).

Almost surely, 2^163744328 is an apocalyptic number.

It is an amenable number.

163744328 is an abundant number, since it is smaller than the sum of its proper divisors (171187432).

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

163744328 is a wasteful number, since it uses less digits than its factorization.

163744328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860748 (or 1860744 counting only the distinct ones).

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

The square root of 163744328 is about 12796.2622667715. The cubic root of 163744328 is about 547.0857738529.

It can be divided in two parts, 16374 and 4328, that added together give a palindrome (20702).

The spelling of 163744328 in words is "one hundred sixty-three million, seven hundred forty-four thousand, three hundred twenty-eight".