2066145311 has 8 divisors (see below), whose sum is σ = 2094501360. Its totient is φ = 2037871872.

The previous prime is 2066145307. The next prime is 2066145317. The reversal of 2066145311 is 1135416602.

It is a happy number.

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 2066145311 - 2² = 2066145307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066145317) by changing a digit.

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, 30575 + ... + 71183.

It is an arithmetic number, because the mean of its divisors is an integer number (261812670).

Almost surely, 2^2066145311 is an apocalyptic number.

2066145311 is a deficient number, since it is larger than the sum of its proper divisors (28356049).

2066145311 is an equidigital number, since it uses as much as digits as its factorization.

2066145311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41305.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2066145311 is about 45454.8711471059. The cubic root of 2066145311 is about 1273.6603252222.

The spelling of 2066145311 in words is "two billion, sixty-six million, one hundred forty-five thousand, three hundred eleven".