195213366 has 12 divisors (see below), whose sum is σ = 422962332. Its totient is φ = 65071116.

The previous prime is 195213331. The next prime is 195213371. The reversal of 195213366 is 663312591.

195213366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 195213366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5422576 + ... + 5422611.

It is an arithmetic number, because the mean of its divisors is an integer number (35246861).

Almost surely, 2^195213366 is an apocalyptic number.

195213366 is an abundant number, since it is smaller than the sum of its proper divisors (227748966).

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

195213366 is a wasteful number, since it uses less digits than its factorization.

195213366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10845195 (or 10845192 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 195213366 is about 13971.8776834039. The cubic root of 195213366 is about 580.1004245451.

The spelling of 195213366 in words is "one hundred ninety-five million, two hundred thirteen thousand, three hundred sixty-six".