606616623 has 6 divisors (see below), whose sum is σ = 876224024. Its totient is φ = 404411076.

The previous prime is 606616597. The next prime is 606616631. The reversal of 606616623 is 326616606.

It is a de Polignac number, because none of the positive numbers 2^k-606616623 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 (606616663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33700915 + ... + 33700932.

Almost surely, 2^606616623 is an apocalyptic number.

606616623 is a deficient number, since it is larger than the sum of its proper divisors (269607401).

606616623 is a wasteful number, since it uses less digits than its factorization.

606616623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67401853 (or 67401850 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 606616623 is about 24629.5883644043. The cubic root of 606616623 is about 846.5217134788.

The spelling of 606616623 in words is "six hundred six million, six hundred sixteen thousand, six hundred twenty-three".