6606657 has 8 divisors (see below), whose sum is σ = 9787680. Its totient is φ = 4404420.

The previous prime is 6606653. The next prime is 6606673. The reversal of 6606657 is 7566066.

6606657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6606657 - 2² = 6606653 is a prime.

6606657 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6606653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122319 + ... + 122372.

It is an arithmetic number, because the mean of its divisors is an integer number (1223460).

Almost surely, 2^6606657 is an apocalyptic number.

It is an amenable number.

6606657 is a deficient number, since it is larger than the sum of its proper divisors (3181023).

6606657 is a wasteful number, since it uses less digits than its factorization.

6606657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244700 (or 244694 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 6606657 is about 2570.3418060639. The cubic root of 6606657 is about 187.6407902568.

The spelling of 6606657 in words is "six million, six hundred six thousand, six hundred fifty-seven".