606131666509 has 8 divisors (see below), whose sum is σ = 606368322560. Its totient is φ = 605895066000.

The previous prime is 606131666467. The next prime is 606131666513. The reversal of 606131666509 is 905666131606.

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 606131666509 - 2¹¹ = 606131664461 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 (606131666209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43817224 + ... + 43831054.

It is an arithmetic number, because the mean of its divisors is an integer number (75796040320).

Almost surely, 2^606131666509 is an apocalyptic number.

It is an amenable number.

606131666509 is a deficient number, since it is larger than the sum of its proper divisors (236656051).

606131666509 is a wasteful number, since it uses less digits than its factorization.

606131666509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27771.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 606131666509 in words is "six hundred six billion, one hundred thirty-one million, six hundred sixty-six thousand, five hundred nine".