660910741 has 2 divisors, whose sum is σ = 660910742. Its totient is φ = 660910740.

The previous prime is 660910729. The next prime is 660910759. The reversal of 660910741 is 147019066.

660910741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 651729841 + 9180900 = 25529^2 + 3030^2 .

It is a cyclic number.

It is not a de Polignac number, because 660910741 - 2²³ = 652522133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 660910697 and 660910706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (660910711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330455370 + 330455371.

It is an arithmetic number, because the mean of its divisors is an integer number (330455371).

Almost surely, 2^660910741 is an apocalyptic number.

It is an amenable number.

660910741 is a deficient number, since it is larger than the sum of its proper divisors (1).

660910741 is an equidigital number, since it uses as much as digits as its factorization.

660910741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 660910741 is about 25708.1843193953. The cubic root of 660910741 is about 871.0590621408.

The spelling of 660910741 in words is "six hundred sixty million, nine hundred ten thousand, seven hundred forty-one".