606655607 has 4 divisors (see below), whose sum is σ = 606705960. Its totient is φ = 606605256.

The previous prime is 606655603. The next prime is 606655627. The reversal of 606655607 is 706556606.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 606655607 - 2² = 606655603 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 (606655601) 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, 4769 + ... + 35157.

It is an arithmetic number, because the mean of its divisors is an integer number (151676490).

Almost surely, 2^606655607 is an apocalyptic number.

606655607 is a deficient number, since it is larger than the sum of its proper divisors (50353).

606655607 is a wasteful number, since it uses less digits than its factorization.

606655607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50352.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 606655607 is about 24630.3797575271. The cubic root of 606655607 is about 846.5398468953.

Subtracting 606655607 from its reverse (706556606), we obtain a palindrome (99900999).

The spelling of 606655607 in words is "six hundred six million, six hundred fifty-five thousand, six hundred seven".