195808063 has 8 divisors (see below), whose sum is σ = 218154240. Its totient is φ = 174219480.

The previous prime is 195808037. The next prime is 195808127. The reversal of 195808063 is 360808591.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195808063 - 2⁵ = 195808031 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 (195808003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188853 + ... + 189886.

It is an arithmetic number, because the mean of its divisors is an integer number (27269280).

Almost surely, 2^195808063 is an apocalyptic number.

195808063 is a deficient number, since it is larger than the sum of its proper divisors (22346177).

195808063 is a wasteful number, since it uses less digits than its factorization.

195808063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378797.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 195808063 is about 13993.1434281222. The cubic root of 195808063 is about 580.6888990295.

The spelling of 195808063 in words is "one hundred ninety-five million, eight hundred eight thousand, sixty-three".