2066937735871 has 2 divisors, whose sum is σ = 2066937735872. Its totient is φ = 2066937735870.

The previous prime is 2066937735859. The next prime is 2066937735881. The reversal of 2066937735871 is 1785377396602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2066937735871 - 2⁷ = 2066937735743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066937735881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033468867935 + 1033468867936.

It is an arithmetic number, because the mean of its divisors is an integer number (1033468867936).

Almost surely, 2^{2066937735871} is an apocalyptic number.

2066937735871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066937735871 is an equidigital number, since it uses as much as digits as its factorization.

2066937735871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80015040, while the sum is 64.

The spelling of 2066937735871 in words is "two trillion, sixty-six billion, nine hundred thirty-seven million, seven hundred thirty-five thousand, eight hundred seventy-one".