6660313 has 8 divisors (see below), whose sum is σ = 7435296. Its totient is φ = 5913600.

The previous prime is 6660307. The next prime is 6660337. The reversal of 6660313 is 3130666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-6660313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6660113) 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, 6568 + ... + 7513.

It is an arithmetic number, because the mean of its divisors is an integer number (929412).

Almost surely, 2^6660313 is an apocalyptic number.

It is an amenable number.

6660313 is a deficient number, since it is larger than the sum of its proper divisors (774983).

6660313 is a wasteful number, since it uses less digits than its factorization.

6660313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14135.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 6660313 is about 2580.7582219185. The cubic root of 6660313 is about 188.1473964793.

Adding to 6660313 its reverse (3130666), we get a palindrome (9790979).

The spelling of 6660313 in words is "six million, six hundred sixty thousand, three hundred thirteen".