606662408199 has 4 divisors (see below), whose sum is σ = 808883210936. Its totient is φ = 404441605464.

The previous prime is 606662408129. The next prime is 606662408201. The reversal of 606662408199 is 991804266606.

It is a happy number.

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

It is not a de Polignac number, because 606662408199 - 2⁷ = 606662408071 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 (606662408129) 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, 101110401364 + ... + 101110401369.

It is an arithmetic number, because the mean of its divisors is an integer number (202220802734).

Almost surely, 2^606662408199 is an apocalyptic number.

606662408199 is a deficient number, since it is larger than the sum of its proper divisors (202220802737).

606662408199 is a wasteful number, since it uses less digits than its factorization.

606662408199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202220802736.

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 606662408199 in words is "six hundred six billion, six hundred sixty-two million, four hundred eight thousand, one hundred ninety-nine".