199375536668 has 36 divisors (see below), whose sum is σ = 438296641776. Its totient is φ = 77678779200.

The previous prime is 199375536637. The next prime is 199375536673. The reversal of 199375536668 is 866635573991.

199375536668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 199375536598 and 199375536607.

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 11 ways as a sum of consecutive naturals, for example, 29420393 + ... + 29427168.

It is an arithmetic number, because the mean of its divisors is an integer number (12174906716).

Almost surely, 2^199375536668 is an apocalyptic number.

It is an amenable number.

199375536668 is an abundant number, since it is smaller than the sum of its proper divisors (238921105108).

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

199375536668 is a wasteful number, since it uses less digits than its factorization.

199375536668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58847594 (or 58847581 counting only the distinct ones).

The product of its digits is 220449600, while the sum is 68.

The spelling of 199375536668 in words is "one hundred ninety-nine billion, three hundred seventy-five million, five hundred thirty-six thousand, six hundred sixty-eight".