660071177713 has 2 divisors, whose sum is σ = 660071177714. Its totient is φ = 660071177712.

The previous prime is 660071177699. The next prime is 660071177767. The reversal of 660071177713 is 317771170066.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493776046864 + 166295130849 = 702692^2 + 407793^2 .

It is a cyclic number.

It is not a de Polignac number, because 660071177713 - 2¹⁷ = 660071046641 is a prime.

It is not a weakly prime, because it can be changed into another prime (660071174713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330035588856 + 330035588857.

It is an arithmetic number, because the mean of its divisors is an integer number (330035588857).

Almost surely, 2^660071177713 is an apocalyptic number.

It is an amenable number.

660071177713 is a deficient number, since it is larger than the sum of its proper divisors (1).

660071177713 is an equidigital number, since it uses as much as digits as its factorization.

660071177713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259308, while the sum is 46.

The spelling of 660071177713 in words is "six hundred sixty billion, seventy-one million, one hundred seventy-seven thousand, seven hundred thirteen".