195651994716 has 18 divisors (see below), whose sum is σ = 494564764512. Its totient is φ = 65217331560.

The previous prime is 195651994631. The next prime is 195651994717. The reversal of 195651994716 is 617499156591.

195651994716 is a `hidden beast` number, since 1 + 9 + 565 + 19 + 9 + 47 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195651994717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2717388780 + ... + 2717388851.

Almost surely, 2^195651994716 is an apocalyptic number.

It is an amenable number.

195651994716 is an abundant number, since it is smaller than the sum of its proper divisors (298912769796).

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

195651994716 is a wasteful number, since it uses less digits than its factorization.

195651994716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5434777641 (or 5434777636 counting only the distinct ones).

The product of its digits is 18370800, while the sum is 63.

The spelling of 195651994716 in words is "one hundred ninety-five billion, six hundred fifty-one million, nine hundred ninety-four thousand, seven hundred sixteen".