195194955 has 16 divisors (see below), whose sum is σ = 312501024. Its totient is φ = 104040960.

The previous prime is 195194953. The next prime is 195194963. The reversal of 195194955 is 559491591.

It is not a de Polignac number, because 195194955 - 2¹ = 195194953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195194953) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 32595 + ... + 38115.

It is an arithmetic number, because the mean of its divisors is an integer number (19531314).

Almost surely, 2^195194955 is an apocalyptic number.

195194955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195194955 is a deficient number, since it is larger than the sum of its proper divisors (117306069).

195194955 is a wasteful number, since it uses less digits than its factorization.

195194955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7886.

The product of its digits is 364500, while the sum is 48.

The square root of 195194955 is about 13971.2188086795. The cubic root of 195194955 is about 580.0821871247.

The spelling of 195194955 in words is "one hundred ninety-five million, one hundred ninety-four thousand, nine hundred fifty-five".