195500961 has 12 divisors (see below), whose sum is σ = 284890788. Its totient is φ = 129179904.

The previous prime is 195500959. The next prime is 195500971. The reversal of 195500961 is 169005591.

195500961 is a `hidden beast` number, since 1 + 95 + 500 + 9 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7290000 + 188210961 = 2700^2 + 13719^2 .

It is not a de Polignac number, because 195500961 - 2¹ = 195500959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195500971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95100 + ... + 97133.

It is an arithmetic number, because the mean of its divisors is an integer number (23740899).

Almost surely, 2^195500961 is an apocalyptic number.

It is an amenable number.

195500961 is a deficient number, since it is larger than the sum of its proper divisors (89389827).

195500961 is a wasteful number, since it uses less digits than its factorization.

195500961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192352 (or 192349 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 36.

The square root of 195500961 is about 13982.1658193572. The cubic root of 195500961 is about 580.3851593518.

The spelling of 195500961 in words is "one hundred ninety-five million, five hundred thousand, nine hundred sixty-one".