6660344 has 16 divisors (see below), whose sum is σ = 12613320. Its totient is φ = 3296800.

The previous prime is 6660337. The next prime is 6660347. The reversal of 6660344 is 4430666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660347) 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 3 ways as a sum of consecutive naturals, for example, 3314 + ... + 4929.

Almost surely, 2^6660344 is an apocalyptic number.

It is an amenable number.

6660344 is a deficient number, since it is larger than the sum of its proper divisors (5952976).

6660344 is a wasteful number, since it uses less digits than its factorization.

6660344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8350 (or 8346 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 6660344 is about 2580.7642278984. The cubic root of 6660344 is about 188.1476883855.

The spelling of 6660344 in words is "six million, six hundred sixty thousand, three hundred forty-four".