199772316 has 36 divisors (see below), whose sum is σ = 513264024. Its totient is φ = 65498400.

The previous prime is 199772299. The next prime is 199772333. The reversal of 199772316 is 613277991.

199772316 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (199772299) and next prime (199772333).

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 43290 + ... + 47681.

It is an arithmetic number, because the mean of its divisors is an integer number (14257334).

Almost surely, 2^199772316 is an apocalyptic number.

It is an amenable number.

199772316 is an abundant number, since it is smaller than the sum of its proper divisors (313491708).

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

199772316 is a wasteful number, since it uses less digits than its factorization.

199772316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91042 (or 91037 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 199772316 is about 14134.0834863814. The cubic root of 199772316 is about 584.5815460260.

The spelling of 199772316 in words is "one hundred ninety-nine million, seven hundred seventy-two thousand, three hundred sixteen".