1066267201117 has 4 divisors (see below), whose sum is σ = 1066640416156. Its totient is φ = 1065893986080.

The previous prime is 1066267201039. The next prime is 1066267201123. The reversal of 1066267201117 is 7111027626601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 870851041636 + 195416159481 = 933194^2 + 442059^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066267201117 - 2²⁷ = 1066132983389 is a prime.

It is a super-2 number, since 2×1066267201117² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1066267201117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066267261117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186603234 + ... + 186608947.

It is an arithmetic number, because the mean of its divisors is an integer number (266660104039).

Almost surely, 2^{1066267201117} is an apocalyptic number.

It is an amenable number.

1066267201117 is a deficient number, since it is larger than the sum of its proper divisors (373215039).

1066267201117 is an equidigital number, since it uses as much as digits as its factorization.

1066267201117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373215038.

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 1066267201117 in words is "one trillion, sixty-six billion, two hundred sixty-seven million, two hundred one thousand, one hundred seventeen".