1066270171842 has 42 divisors (see below), whose sum is σ = 2398099578147. Its totient is φ = 355410247716.

The previous prime is 1066270171819. The next prime is 1066270171867. The reversal of 1066270171842 is 2481710726601.

1066270171842 is a `hidden beast` number, since 1 + 0 + 6 + 627 + 0 + 1 + 7 + 18 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 533135085921 + 533135085921 = 730161^2 + 730161^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=730161.

It is a super-2 number, since 2×1066270171842² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 39415173 + ... + 39442215.

Almost surely, 2^{1066270171842} is an apocalyptic number.

1066270171842 is an abundant number, since it is smaller than the sum of its proper divisors (1331829406305).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1066270171842 is an frugal number, since it uses more digits than its factorization.

1066270171842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54106 (or 27048 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 1066270171842 in words is "one trillion, sixty-six billion, two hundred seventy million, one hundred seventy-one thousand, eight hundred forty-two".