2066745905 has 8 divisors (see below), whose sum is σ = 2834394432. Its totient is φ = 1417197168.

The previous prime is 2066745859. The next prime is 2066745907. The reversal of 2066745905 is 5095476602.

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

It is a cyclic number.

It is not a de Polignac number, because 2066745905 - 2⁶ = 2066745841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066745907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29524907 + ... + 29524976.

It is an arithmetic number, because the mean of its divisors is an integer number (354299304).

Almost surely, 2^2066745905 is an apocalyptic number.

It is an amenable number.

2066745905 is a deficient number, since it is larger than the sum of its proper divisors (767648527).

2066745905 is an equidigital number, since it uses as much as digits as its factorization.

2066745905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59049895.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 2066745905 is about 45461.4771537397. The cubic root of 2066745905 is about 1273.7837238746.

The spelling of 2066745905 in words is "two billion, sixty-six million, seven hundred forty-five thousand, nine hundred five".