195961095 has 48 divisors (see below), whose sum is σ = 378473472. Its totient is φ = 92978880.

The previous prime is 195961063. The next prime is 195961121. The reversal of 195961095 is 590169591.

It is a happy number.

It is not a de Polignac number, because 195961095 - 2⁵ = 195961063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 195961095.

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 47 ways as a sum of consecutive naturals, for example, 19054 + ... + 27476.

It is an arithmetic number, because the mean of its divisors is an integer number (7884864).

Almost surely, 2^195961095 is an apocalyptic number.

195961095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195961095 is a deficient number, since it is larger than the sum of its proper divisors (182512377).

195961095 is a wasteful number, since it uses less digits than its factorization.

195961095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8492 (or 8489 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 45.

The square root of 195961095 is about 13998.6104667570. The cubic root of 195961095 is about 580.8401370021.

The spelling of 195961095 in words is "one hundred ninety-five million, nine hundred sixty-one thousand, ninety-five".