1006565566506 has 16 divisors (see below), whose sum is σ = 2037385725984. Its totient is φ = 331479423344.

The previous prime is 1006565566483. The next prime is 1006565566537. The reversal of 1006565566506 is 6056655656001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010607501 + ... + 1010608496.

It is an arithmetic number, because the mean of its divisors is an integer number (127336607874).

Almost surely, 2^{1006565566506} is an apocalyptic number.

1006565566506 is an abundant number, since it is smaller than the sum of its proper divisors (1030820159478).

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

1006565566506 is a wasteful number, since it uses less digits than its factorization.

1006565566506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021216085.

The product of its (nonzero) digits is 4860000, while the sum is 51.

The spelling of 1006565566506 in words is "one trillion, six billion, five hundred sixty-five million, five hundred sixty-six thousand, five hundred six".