195961193 has 16 divisors (see below), whose sum is σ = 222549120. Its totient is φ = 171415296.

The previous prime is 195961169. The next prime is 195961201. The reversal of 195961193 is 391169591.

195961193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 195961193 - 2¹⁶ = 195895657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (195961123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11396 + ... + 22842.

It is an arithmetic number, because the mean of its divisors is an integer number (13909320).

Almost surely, 2^195961193 is an apocalyptic number.

It is an amenable number.

195961193 is a deficient number, since it is larger than the sum of its proper divisors (26587927).

195961193 is a wasteful number, since it uses less digits than its factorization.

195961193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11536.

The product of its digits is 65610, while the sum is 44.

The square root of 195961193 is about 13998.6139671040. The cubic root of 195961193 is about 580.8402338280.

The spelling of 195961193 in words is "one hundred ninety-five million, nine hundred sixty-one thousand, one hundred ninety-three".