1066706110727 has 4 divisors (see below), whose sum is σ = 1067325210600. Its totient is φ = 1066087010856.

The previous prime is 1066706110711. The next prime is 1066706110753. The reversal of 1066706110727 is 7270116076601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1066706110727 - 2⁴ = 1066706110711 is a prime.

It is a super-2 number, since 2×1066706110727² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066706112727) 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 in 3 ways as a sum of consecutive naturals, for example, 309547352 + ... + 309550797.

It is an arithmetic number, because the mean of its divisors is an integer number (266831302650).

Almost surely, 2^{1066706110727} is an apocalyptic number.

1066706110727 is a deficient number, since it is larger than the sum of its proper divisors (619099873).

1066706110727 is an equidigital number, since it uses as much as digits as its factorization.

1066706110727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619099872.

The product of its (nonzero) digits is 148176, while the sum is 44.

The spelling of 1066706110727 in words is "one trillion, sixty-six billion, seven hundred six million, one hundred ten thousand, seven hundred twenty-seven".