1082166485409 has 24 divisors (see below), whose sum is σ = 1646736291200. Its totient is φ = 682918218720.

The previous prime is 1082166485401. The next prime is 1082166485431. The reversal of 1082166485409 is 9045846612801.

1082166485409 is a `hidden beast` number, since 1 + 0 + 82 + 16 + 6 + 4 + 8 + 540 + 9 = 666.

It is not a de Polignac number, because 1082166485409 - 2³ = 1082166485401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1082166485401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2359954 + ... + 2780955.

Almost surely, 2^{1082166485409} is an apocalyptic number.

1082166485409 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1082166485409 is a deficient number, since it is larger than the sum of its proper divisors (564569805791).

1082166485409 is a wasteful number, since it uses less digits than its factorization.

1082166485409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142165 (or 5142162 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 1082166485409 in words is "one trillion, eighty-two billion, one hundred sixty-six million, four hundred eighty-five thousand, four hundred nine".