6913663 has 8 divisors (see below), whose sum is σ = 7387520. Its totient is φ = 6450840.

The previous prime is 6913661. The next prime is 6913693. The reversal of 6913663 is 3663196.

It is a happy number.

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 6913663 - 2¹ = 6913661 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 (6913661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443 + ... + 3988.

It is an arithmetic number, because the mean of its divisors is an integer number (923440).

Almost surely, 2^6913663 is an apocalyptic number.

6913663 is a deficient number, since it is larger than the sum of its proper divisors (473857).

6913663 is a wasteful number, since it uses less digits than its factorization.

6913663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5517.

The product of its digits is 17496, while the sum is 34.

The square root of 6913663 is about 2629.3845287443. The cubic root of 6913663 is about 190.5034019090.

The spelling of 6913663 in words is "six million, nine hundred thirteen thousand, six hundred sixty-three".