199736016722 has 18 divisors (see below), whose sum is σ = 329328284229. Its totient is φ = 90785938320.

The previous prime is 199736016719. The next prime is 199736016763. The reversal of 199736016722 is 227610637991.

199736016722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 196310138761 + 3425877961 = 443069^2 + 58531^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=316019.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6938054 + ... + 6966782.

Almost surely, 2^199736016722 is an apocalyptic number.

199736016722 is a deficient number, since it is larger than the sum of its proper divisors (129592267507).

199736016722 is an frugal number, since it uses more digits than its factorization.

199736016722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57482 (or 28742 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 199736016722 in words is "one hundred ninety-nine billion, seven hundred thirty-six million, sixteen thousand, seven hundred twenty-two".