2066754805 has 8 divisors (see below), whose sum is σ = 2483448192. Its totient is φ = 1651175568.

The previous prime is 2066754731. The next prime is 2066754827. The reversal of 2066754805 is 5084576602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2066754805 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 274449 + ... + 281878.

It is an arithmetic number, because the mean of its divisors is an integer number (310431024).

Almost surely, 2^2066754805 is an apocalyptic number.

It is an amenable number.

2066754805 is a deficient number, since it is larger than the sum of its proper divisors (416693387).

2066754805 is an equidigital number, since it uses as much as digits as its factorization.

2066754805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557075.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 2066754805 is about 45461.5750387071. The cubic root of 2066754805 is about 1273.7855522979.

The spelling of 2066754805 in words is "two billion, sixty-six million, seven hundred fifty-four thousand, eight hundred five".