195090966 has 48 divisors (see below), whose sum is σ = 483878304. Its totient is φ = 55648512.

The previous prime is 195090953. The next prime is 195090971. The reversal of 195090966 is 669090591.

It is a Curzon number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 124846 + ... + 126398.

It is an arithmetic number, because the mean of its divisors is an integer number (10080798).

Almost surely, 2^195090966 is an apocalyptic number.

195090966 is an abundant number, since it is smaller than the sum of its proper divisors (288787338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195090966 is a wasteful number, since it uses less digits than its factorization.

195090966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565 (or 2562 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 195090966 is about 13967.4967692855. The cubic root of 195090966 is about 579.9791569997.

The spelling of 195090966 in words is "one hundred ninety-five million, ninety thousand, nine hundred sixty-six".