199119550 has 24 divisors (see below), whose sum is σ = 423272016. Its totient is φ = 68269440.

The previous prime is 199119517. The next prime is 199119551. The reversal of 199119550 is 55911991.

199119550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199119551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284107 + ... + 284806.

It is an arithmetic number, because the mean of its divisors is an integer number (17636334).

Almost surely, 2^199119550 is an apocalyptic number.

199119550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199119550 is an abundant number, since it is smaller than the sum of its proper divisors (224152466).

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

199119550 is a wasteful number, since it uses less digits than its factorization.

199119550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568932 (or 568927 counting only the distinct ones).

The product of its (nonzero) digits is 18225, while the sum is 40.

The square root of 199119550 is about 14110.9726808608. The cubic root of 199119550 is about 583.9441348169.

The spelling of 199119550 in words is "one hundred ninety-nine million, one hundred nineteen thousand, five hundred fifty".