195690175968 has 48 divisors (see below), whose sum is σ = 587070529920. Its totient is φ = 55911478656.

The previous prime is 195690175949. The next prime is 195690175969. The reversal of 195690175968 is 869571096591.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 195690175899 and 195690175908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195690175969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145602138 + ... + 145603481.

It is an arithmetic number, because the mean of its divisors is an integer number (12230636040).

Almost surely, 2^195690175968 is an apocalyptic number.

It is an amenable number.

195690175968 is an abundant number, since it is smaller than the sum of its proper divisors (391380353952).

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

195690175968 is a wasteful number, since it uses less digits than its factorization.

195690175968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291205639 (or 291205631 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 66.

The spelling of 195690175968 in words is "one hundred ninety-five billion, six hundred ninety million, one hundred seventy-five thousand, nine hundred sixty-eight".