199716043 has 8 divisors (see below), whose sum is σ = 211188096. Its totient is φ = 188558400.

The previous prime is 199716001. The next prime is 199716059. The reversal of 199716043 is 340617991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 199716043 - 2¹⁷ = 199584971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199715987 and 199716005.

It is not an unprimeable number, because it can be changed into a prime (199716743) 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, 77296 + ... + 79837.

It is an arithmetic number, because the mean of its divisors is an integer number (26398512).

Almost surely, 2^199716043 is an apocalyptic number.

199716043 is a deficient number, since it is larger than the sum of its proper divisors (11472053).

199716043 is a wasteful number, since it uses less digits than its factorization.

199716043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157205.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 199716043 is about 14132.0926617398. The cubic root of 199716043 is about 584.5266514552.

The spelling of 199716043 in words is "one hundred ninety-nine million, seven hundred sixteen thousand, forty-three".