163428358 has 4 divisors (see below), whose sum is σ = 245142540. Its totient is φ = 81714178.

The previous prime is 163428319. The next prime is 163428389. The reversal of 163428358 is 853824361.

163428358 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 163428358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40857088 + ... + 40857091.

It is an arithmetic number, because the mean of its divisors is an integer number (61285635).

Almost surely, 2^163428358 is an apocalyptic number.

163428358 is a deficient number, since it is larger than the sum of its proper divisors (81714182).

163428358 is an equidigital number, since it uses as much as digits as its factorization.

163428358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81714181.

The product of its digits is 138240, while the sum is 40.

The square root of 163428358 is about 12783.9101217116. The cubic root of 163428358 is about 546.7336517329.

It can be divided in two parts, 1634 and 28358, that added together give a palindrome (29992).

The spelling of 163428358 in words is "one hundred sixty-three million, four hundred twenty-eight thousand, three hundred fifty-eight".