195764636 has 12 divisors (see below), whose sum is σ = 342742512. Its totient is φ = 97838208.

The previous prime is 195764629. The next prime is 195764641. The reversal of 195764636 is 636467591.

195764636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236 + ... + 19788.

It is an arithmetic number, because the mean of its divisors is an integer number (28561876).

Almost surely, 2^195764636 is an apocalyptic number.

It is an amenable number.

195764636 is a deficient number, since it is larger than the sum of its proper divisors (146977876).

195764636 is a wasteful number, since it uses less digits than its factorization.

195764636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22060 (or 22058 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The square root of 195764636 is about 13991.5916178253. The cubic root of 195764636 is about 580.6459667809.

The spelling of 195764636 in words is "one hundred ninety-five million, seven hundred sixty-four thousand, six hundred thirty-six".