195836065 has 8 divisors (see below), whose sum is σ = 235126440. Its totient is φ = 156586752.

The previous prime is 195836051. The next prime is 195836077. The reversal of 195836065 is 560638591.

It can be written as a sum of positive squares in 4 ways, for example, as 34012224 + 161823841 = 5832^2 + 12721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195836065 - 2¹¹ = 195834017 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1447 + ... + 19843.

It is an arithmetic number, because the mean of its divisors is an integer number (29390805).

Almost surely, 2^195836065 is an apocalyptic number.

It is an amenable number.

195836065 is a deficient number, since it is larger than the sum of its proper divisors (39290375).

195836065 is a wasteful number, since it uses less digits than its factorization.

195836065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20531.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 195836065 is about 13994.1439538115. The cubic root of 195836065 is about 580.7165786447.

The spelling of 195836065 in words is "one hundred ninety-five million, eight hundred thirty-six thousand, sixty-five".