195715864 has 16 divisors (see below), whose sum is σ = 371613600. Its totient is φ = 96618912.

The previous prime is 195715853. The next prime is 195715873. The reversal of 195715864 is 468517591.

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 3 ways as a sum of consecutive naturals, for example, 154207 + ... + 155470.

It is an arithmetic number, because the mean of its divisors is an integer number (23225850).

Almost surely, 2^195715864 is an apocalyptic number.

It is an amenable number.

195715864 is a deficient number, since it is larger than the sum of its proper divisors (175897736).

195715864 is a wasteful number, since it uses less digits than its factorization.

195715864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309762 (or 309758 counting only the distinct ones).

The product of its digits is 302400, while the sum is 46.

The square root of 195715864 is about 13989.8486053281. The cubic root of 195715864 is about 580.5977428562.

The spelling of 195715864 in words is "one hundred ninety-five million, seven hundred fifteen thousand, eight hundred sixty-four".