199911096 has 192 divisors, whose sum is σ = 683354880. Its totient is φ = 51287040.

The previous prime is 199911059. The next prime is 199911113. The reversal of 199911096 is 690119991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 593040 + ... + 593376.

It is an arithmetic number, because the mean of its divisors is an integer number (3559140).

Almost surely, 2^199911096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199911096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341677440).

199911096 is an abundant number, since it is smaller than the sum of its proper divisors (483443784).

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

199911096 is a wasteful number, since it uses less digits than its factorization.

199911096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 45.

The square root of 199911096 is about 14138.9920432823. The cubic root of 199911096 is about 584.7168825088.

The spelling of 199911096 in words is "one hundred ninety-nine million, nine hundred eleven thousand, ninety-six".