195190084668 has 12 divisors (see below), whose sum is σ = 455443530920. Its totient is φ = 65063361552.

The previous prime is 195190084643. The next prime is 195190084673. The reversal of 195190084668 is 866480091591.

195190084668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8132920183 + ... + 8132920206.

Almost surely, 2^195190084668 is an apocalyptic number.

It is an amenable number.

195190084668 is an abundant number, since it is smaller than the sum of its proper divisors (260253446252).

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

195190084668 is a wasteful number, since it uses less digits than its factorization.

195190084668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16265840396 (or 16265840394 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 57.

The spelling of 195190084668 in words is "one hundred ninety-five billion, one hundred ninety million, eighty-four thousand, six hundred sixty-eight".