199820716 has 24 divisors (see below), whose sum is σ = 360632160. Its totient is φ = 96816000.

The previous prime is 199820713. The next prime is 199820773. The reversal of 199820716 is 617028991.

199820716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (199820713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20730 + ... + 28798.

It is an arithmetic number, because the mean of its divisors is an integer number (15026340).

Almost surely, 2^199820716 is an apocalyptic number.

It is an amenable number.

199820716 is a deficient number, since it is larger than the sum of its proper divisors (160811444).

199820716 is a wasteful number, since it uses less digits than its factorization.

199820716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8265 (or 8263 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 199820716 is about 14135.7955559636. The cubic root of 199820716 is about 584.6287522034.

The spelling of 199820716 in words is "one hundred ninety-nine million, eight hundred twenty thousand, seven hundred sixteen".