199771196 has 12 divisors (see below), whose sum is σ = 351827448. Its totient is φ = 99249072.

The previous prime is 199771141. The next prime is 199771207. The reversal of 199771196 is 691177991.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158426 + ... + 159681.

It is an arithmetic number, because the mean of its divisors is an integer number (29318954).

Almost surely, 2^199771196 is an apocalyptic number.

It is an amenable number.

199771196 is a deficient number, since it is larger than the sum of its proper divisors (152056252).

199771196 is a wasteful number, since it uses less digits than its factorization.

199771196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318268 (or 318266 counting only the distinct ones).

The product of its digits is 214326, while the sum is 50.

The square root of 199771196 is about 14134.0438657873. The cubic root of 199771196 is about 584.5804535614.

The spelling of 199771196 in words is "one hundred ninety-nine million, seven hundred seventy-one thousand, one hundred ninety-six".