163428359 has 4 divisors (see below), whose sum is σ = 164079720. Its totient is φ = 162777000.

The previous prime is 163428319. The next prime is 163428389. The reversal of 163428359 is 953824361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 953824361 = 7 ⋅136260623.

It is a cyclic number.

It is not a de Polignac number, because 163428359 - 2²⁴ = 146651143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163428319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325304 + ... + 325805.

It is an arithmetic number, because the mean of its divisors is an integer number (41019930).

Almost surely, 2^163428359 is an apocalyptic number.

163428359 is a deficient number, since it is larger than the sum of its proper divisors (651361).

163428359 is an equidigital number, since it uses as much as digits as its factorization.

163428359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651360.

The product of its digits is 155520, while the sum is 41.

The square root of 163428359 is about 12783.9101608233. The cubic root of 163428359 is about 546.7336528480.

The spelling of 163428359 in words is "one hundred sixty-three million, four hundred twenty-eight thousand, three hundred fifty-nine".