199165008 has 80 divisors (see below), whose sum is σ = 600060800. Its totient is φ = 56899584.

The previous prime is 199165007. The next prime is 199165063. The reversal of 199165008 is 800561991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199165007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10416 + ... + 22512.

It is an arithmetic number, because the mean of its divisors is an integer number (7500760).

Almost surely, 2^199165008 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 199165008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300030400).

199165008 is an abundant number, since it is smaller than the sum of its proper divisors (400895792).

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

199165008 is a wasteful number, since it uses less digits than its factorization.

199165008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12129 (or 12109 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 199165008 is about 14112.5833212775. The cubic root of 199165008 is about 583.9885686134.

The spelling of 199165008 in words is "one hundred ninety-nine million, one hundred sixty-five thousand, eight".