2066377811 has 2 divisors, whose sum is σ = 2066377812. Its totient is φ = 2066377810.

The previous prime is 2066377801. The next prime is 2066377843. The reversal of 2066377811 is 1187736602.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2066377811 is a prime.

It is not a weakly prime, because it can be changed into another prime (2066377801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033188905 + 1033188906.

It is an arithmetic number, because the mean of its divisors is an integer number (1033188906).

Almost surely, 2^2066377811 is an apocalyptic number.

2066377811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066377811 is an equidigital number, since it uses as much as digits as its factorization.

2066377811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 2066377811 is about 45457.4285568377. The cubic root of 2066377811 is about 1273.7080977444.

The spelling of 2066377811 in words is "two billion, sixty-six million, three hundred seventy-seven thousand, eight hundred eleven".