2066116771 has 2 divisors, whose sum is σ = 2066116772. Its totient is φ = 2066116770.

The previous prime is 2066116699. The next prime is 2066116807. The reversal of 2066116771 is 1776116602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2066116771 - 2⁷ = 2066116643 is a prime.

It is a super-2 number, since 2×2066116771² = 8537677022814932882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2066116771.

It is not a weakly prime, because it can be changed into another prime (2066117771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033058385 + 1033058386.

It is an arithmetic number, because the mean of its divisors is an integer number (1033058386).

Almost surely, 2^2066116771 is an apocalyptic number.

2066116771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066116771 is an equidigital number, since it uses as much as digits as its factorization.

2066116771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 2066116771 is about 45454.5572082712. The cubic root of 2066116771 is about 1273.6544607697.

The spelling of 2066116771 in words is "two billion, sixty-six million, one hundred sixteen thousand, seven hundred seventy-one".