195961117 has 8 divisors (see below), whose sum is σ = 225027360. Its totient is φ = 168770160.

The previous prime is 195961063. The next prime is 195961121. The reversal of 195961117 is 711169591.

195961117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 195961117 - 2²⁷ = 61743389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 195961117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195961147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468598 + ... + 469015.

It is an arithmetic number, because the mean of its divisors is an integer number (28128420).

Almost surely, 2^195961117 is an apocalyptic number.

It is an amenable number.

195961117 is a deficient number, since it is larger than the sum of its proper divisors (29066243).

195961117 is a wasteful number, since it uses less digits than its factorization.

195961117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937643.

The product of its digits is 17010, while the sum is 40.

The square root of 195961117 is about 13998.6112525493. The cubic root of 195961117 is about 580.8401587385.

The spelling of 195961117 in words is "one hundred ninety-five million, nine hundred sixty-one thousand, one hundred seventeen".