163200005 has 4 divisors (see below), whose sum is σ = 195840012. Its totient is φ = 130560000.

The previous prime is 163199989. The next prime is 163200013. The reversal of 163200005 is 500002361.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27384289 + 135815716 = 5233^2 + 11654^2 .

It is not a de Polignac number, because 163200005 - 2⁴ = 163199989 is a prime.

It is a Duffinian number.

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, 16319996 + ... + 16320005.

It is an arithmetic number, because the mean of its divisors is an integer number (48960003).

Almost surely, 2^163200005 is an apocalyptic number.

It is an amenable number.

163200005 is a deficient number, since it is larger than the sum of its proper divisors (32640007).

163200005 is an equidigital number, since it uses as much as digits as its factorization.

163200005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32640006.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 163200005 is about 12774.9757338321. The cubic root of 163200005 is about 546.4788887998.

Adding to 163200005 its reverse (500002361), we get a palindrome (663202366).

The spelling of 163200005 in words is "one hundred sixty-three million, two hundred thousand, five".