195850655 has 64 divisors (see below), whose sum is σ = 319334400. Its totient is φ = 111352320.

The previous prime is 195850649. The next prime is 195850691. The reversal of 195850655 is 556058591.

It is not a de Polignac number, because 195850655 - 2⁴ = 195850639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 545366 + ... + 545724.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^195850655 is an apocalyptic number.

195850655 is a deficient number, since it is larger than the sum of its proper divisors (123483745).

195850655 is a wasteful number, since it uses less digits than its factorization.

195850655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 270000, while the sum is 44.

The square root of 195850655 is about 13994.6652335810. The cubic root of 195850655 is about 580.7309996256.

The spelling of 195850655 in words is "one hundred ninety-five million, eight hundred fifty thousand, six hundred fifty-five".