1006661560205 has 64 divisors (see below), whose sum is σ = 1445545574400. Its totient is φ = 658458927360.

The previous prime is 1006661560193. The next prime is 1006661560207. The reversal of 1006661560205 is 5020651666001.

It is not a de Polignac number, because 1006661560205 - 2⁸ = 1006661559949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006661560207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53048099 + ... + 53067071.

It is an arithmetic number, because the mean of its divisors is an integer number (22586649600).

Almost surely, 2^{1006661560205} is an apocalyptic number.

It is an amenable number.

1006661560205 is a deficient number, since it is larger than the sum of its proper divisors (438884014195).

1006661560205 is a wasteful number, since it uses less digits than its factorization.

1006661560205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19714.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 1006661560205 in words is "one trillion, six billion, six hundred sixty-one million, five hundred sixty thousand, two hundred five".