195170895 has 12 divisors (see below), whose sum is σ = 338296296. Its totient is φ = 104091120.

The previous prime is 195170891. The next prime is 195170909. The reversal of 195170895 is 598071591.

It is not a de Polignac number, because 195170895 - 2² = 195170891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 4337131 = 195170895 / (1 + 9 + 5 + 1 + 7 + 0 + 8 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 195170895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195170891) 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 11 ways as a sum of consecutive naturals, for example, 2168521 + ... + 2168610.

It is an arithmetic number, because the mean of its divisors is an integer number (28191358).

Almost surely, 2^195170895 is an apocalyptic number.

195170895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195170895 is a deficient number, since it is larger than the sum of its proper divisors (143125401).

195170895 is a wasteful number, since it uses less digits than its factorization.

195170895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337142 (or 4337139 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 45.

The square root of 195170895 is about 13970.3577262717. The cubic root of 195170895 is about 580.0583522346.

The spelling of 195170895 in words is "one hundred ninety-five million, one hundred seventy thousand, eight hundred ninety-five".