195865206 has 16 divisors (see below), whose sum is σ = 391871424. Its totient is φ = 65264904.

The previous prime is 195865199. The next prime is 195865259. The reversal of 195865206 is 602568591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23421 + ... + 30663.

It is an arithmetic number, because the mean of its divisors is an integer number (24491964).

Almost surely, 2^195865206 is an apocalyptic number.

195865206 is an abundant number, since it is smaller than the sum of its proper divisors (196006218).

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

195865206 is a wasteful number, since it uses less digits than its factorization.

195865206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11755.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 195865206 is about 13995.1851005980. The cubic root of 195865206 is about 580.7453813451.

The spelling of 195865206 in words is "one hundred ninety-five million, eight hundred sixty-five thousand, two hundred six".