2066313255377 has 6 divisors (see below), whose sum is σ = 2403670521618. Its totient is φ = 1771125647424.

The previous prime is 2066313255329. The next prime is 2066313255397. The reversal of 2066313255377 is 7735523136602.

It can be written as a sum of positive squares in only one way, i.e., 2066302751296 + 10504081 = 1437464^2 + 3241^2 .

It is not a de Polignac number, because 2066313255377 - 2⁸ = 2066313255121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066313255317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21084829088 + ... + 21084829185.

It is an arithmetic number, because the mean of its divisors is an integer number (400611753603).

Almost surely, 2^{2066313255377} is an apocalyptic number.

It is an amenable number.

2066313255377 is a deficient number, since it is larger than the sum of its proper divisors (337357266241).

2066313255377 is an equidigital number, since it uses as much as digits as its factorization.

2066313255377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42169658287 (or 42169658280 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 50.

The spelling of 2066313255377 in words is "two trillion, sixty-six billion, three hundred thirteen million, two hundred fifty-five thousand, three hundred seventy-seven".