6606687 has 8 divisors (see below), whose sum is σ = 8862336. Its totient is φ = 4377752.

The previous prime is 6606679. The next prime is 6606731. The reversal of 6606687 is 7866066.

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 6606687 - 2³ = 6606679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6606637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6093 + ... + 7094.

It is an arithmetic number, because the mean of its divisors is an integer number (1107792).

Almost surely, 2^6606687 is an apocalyptic number.

6606687 is a deficient number, since it is larger than the sum of its proper divisors (2255649).

6606687 is a wasteful number, since it uses less digits than its factorization.

6606687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13357.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 6606687 is about 2570.3476418570. The cubic root of 6606687 is about 187.6410742741.

It can be divided in two parts, 660668 and 7, that added together give a triangular number (660675 = T₁₁₄₉).

The spelling of 6606687 in words is "six million, six hundred six thousand, six hundred eighty-seven".