606566997 has 18 divisors (see below), whose sum is σ = 898065506. Its totient is φ = 394505280.

The previous prime is 606566993. The next prime is 606566999. The reversal of 606566997 is 799665606.

606566997 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 3 ways, for example, as 110124036 + 496442961 = 10494^2 + 22281^2 .

It is not a de Polignac number, because 606566997 - 2² = 606566993 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 (606566993) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4918 + ... + 35175.

Almost surely, 2^606566997 is an apocalyptic number.

It is an amenable number.

606566997 is a deficient number, since it is larger than the sum of its proper divisors (291498509).

606566997 is a wasteful number, since it uses less digits than its factorization.

606566997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40181 (or 40137 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The square root of 606566997 is about 24628.5808969985. The cubic root of 606566997 is about 846.4986288096.

The spelling of 606566997 in words is "six hundred six million, five hundred sixty-six thousand, nine hundred ninety-seven".