1066809393592 has 32 divisors (see below), whose sum is σ = 2024561180880. Its totient is φ = 526927644160.

The previous prime is 1066809393589. The next prime is 1066809393623. The reversal of 1066809393592 is 2953939086601.

It is a super-2 number, since 2×1066809393592² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066809393592.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7405968 + ... + 7548640.

Almost surely, 2^{1066809393592} is an apocalyptic number.

It is an amenable number.

1066809393592 is a deficient number, since it is larger than the sum of its proper divisors (957751787288).

1066809393592 is a wasteful number, since it uses less digits than its factorization.

1066809393592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154023 (or 154019 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 61.

The spelling of 1066809393592 in words is "one trillion, sixty-six billion, eight hundred nine million, three hundred ninety-three thousand, five hundred ninety-two".