2066166716 has 6 divisors (see below), whose sum is σ = 3615791760. Its totient is φ = 1033083356.

The previous prime is 2066166677. The next prime is 2066166719. The reversal of 2066166716 is 6176616602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066166719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258270836 + ... + 258270843.

It is an arithmetic number, because the mean of its divisors is an integer number (602631960).

Almost surely, 2^2066166716 is an apocalyptic number.

It is an amenable number.

2066166716 is a deficient number, since it is larger than the sum of its proper divisors (1549625044).

2066166716 is a wasteful number, since it uses less digits than its factorization.

2066166716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516541683 (or 516541681 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 2066166716 is about 45455.1065998090. The cubic root of 2066166716 is about 1273.6647235261.

The spelling of 2066166716 in words is "two billion, sixty-six million, one hundred sixty-six thousand, seven hundred sixteen".