195198803 has 4 divisors (see below), whose sum is σ = 195242688. Its totient is φ = 195154920.

The previous prime is 195198793. The next prime is 195198821. The reversal of 195198803 is 308891591.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 195198803 - 2⁸ = 195198547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195198893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14408 + ... + 24453.

It is an arithmetic number, because the mean of its divisors is an integer number (48810672).

Almost surely, 2^195198803 is an apocalyptic number.

195198803 is a deficient number, since it is larger than the sum of its proper divisors (43885).

195198803 is an equidigital number, since it uses as much as digits as its factorization.

195198803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43884.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 195198803 is about 13971.3565196798. The cubic root of 195198803 is about 580.0859989404.

The spelling of 195198803 in words is "one hundred ninety-five million, one hundred ninety-eight thousand, eight hundred three".