6680623 has 4 divisors (see below), whose sum is σ = 6689088. Its totient is φ = 6672160.

The previous prime is 6680621. The next prime is 6680651. The reversal of 6680623 is 3260866.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6680623 - 2¹ = 6680621 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 (6680621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2911 + ... + 4672.

It is an arithmetic number, because the mean of its divisors is an integer number (1672272).

Almost surely, 2^6680623 is an apocalyptic number.

6680623 is a deficient number, since it is larger than the sum of its proper divisors (8465).

6680623 is an equidigital number, since it uses as much as digits as its factorization.

6680623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8464.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 6680623 is about 2584.6901168225. The cubic root of 6680623 is about 188.3384483605.

The spelling of 6680623 in words is "six million, six hundred eighty thousand, six hundred twenty-three".