660341207 has 4 divisors (see below), whose sum is σ = 660444576. Its totient is φ = 660237840.

The previous prime is 660341179. The next prime is 660341237. The reversal of 660341207 is 702143066.

660341207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-660341207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 660341207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660341237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41423 + ... + 55104.

It is an arithmetic number, because the mean of its divisors is an integer number (165111144).

Almost surely, 2^660341207 is an apocalyptic number.

660341207 is a deficient number, since it is larger than the sum of its proper divisors (103369).

660341207 is an equidigital number, since it uses as much as digits as its factorization.

660341207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103368.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 660341207 is about 25697.1050315011. The cubic root of 660341207 is about 870.8087810807.

The spelling of 660341207 in words is "six hundred sixty million, three hundred forty-one thousand, two hundred seven".