4066806199 has 4 divisors (see below), whose sum is σ = 4067024536. Its totient is φ = 4066587864.

The previous prime is 4066806187. The next prime is 4066806217. The reversal of 4066806199 is 9916086604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4066806199 - 2⁵ = 4066806167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066806109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78324 + ... + 119449.

It is an arithmetic number, because the mean of its divisors is an integer number (1016756134).

Almost surely, 2^4066806199 is an apocalyptic number.

4066806199 is a deficient number, since it is larger than the sum of its proper divisors (218337).

4066806199 is a wasteful number, since it uses less digits than its factorization.

4066806199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218336.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 4066806199 is about 63771.5155770976. The cubic root of 4066806199 is about 1596.1896568345.

The spelling of 4066806199 in words is "four billion, sixty-six million, eight hundred six thousand, one hundred ninety-nine".