195344066636 has 12 divisors (see below), whose sum is σ = 342220101720. Its totient is φ = 97566894720.

The previous prime is 195344066591. The next prime is 195344066677. The reversal of 195344066636 is 636660443591.

It is a happy 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, 26280470 + ... + 26287901.

It is an arithmetic number, because the mean of its divisors is an integer number (28518341810).

Almost surely, 2^195344066636 is an apocalyptic number.

It is an amenable number.

195344066636 is a deficient number, since it is larger than the sum of its proper divisors (146876035084).

195344066636 is a wasteful number, since it uses less digits than its factorization.

195344066636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52569304 (or 52569302 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 53.

The spelling of 195344066636 in words is "one hundred ninety-five billion, three hundred forty-four million, sixty-six thousand, six hundred thirty-six".