660683 has 2 divisors, whose sum is σ = 660684. Its totient is φ = 660682.

The previous prime is 660661. The next prime is 660719. The reversal of 660683 is 386066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 660683 - 2⁶ = 660619 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 660683.

It is not a weakly prime, because it can be changed into another prime (660643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330341 + 330342.

It is an arithmetic number, because the mean of its divisors is an integer number (330342).

2⁶⁶⁰⁶⁸³ is an apocalyptic number.

660683 is a deficient number, since it is larger than the sum of its proper divisors (1).

660683 is an equidigital number, since it uses as much as digits as its factorization.

660683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 660683 is about 812.8240892100. The cubic root of 660683 is about 87.0958998880.

The spelling of 660683 in words is "six hundred sixty thousand, six hundred eighty-three".