5521056670665 has 80 divisors (see below), whose sum is σ = 10418923574400. Its totient is φ = 2789312537088.

The previous prime is 5521056670651. The next prime is 5521056670673. The reversal of 5521056670665 is 5660766501255.

5521056670665 is a `hidden beast` number, since 5 + 5 + 2 + 1 + 0 + 566 + 70 + 6 + 6 + 5 = 666.

It is not a de Polignac number, because 5521056670665 - 2⁶ = 5521056670601 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 94950321 + ... + 95008449.

It is an arithmetic number, because the mean of its divisors is an integer number (130236544680).

Almost surely, 2^{5521056670665} is an apocalyptic number.

It is an amenable number.

5521056670665 is a deficient number, since it is larger than the sum of its proper divisors (4897866903735).

5521056670665 is a wasteful number, since it uses less digits than its factorization.

5521056670665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70508 (or 70499 counting only the distinct ones).

The product of its (nonzero) digits is 11340000, while the sum is 54.

The spelling of 5521056670665 in words is "five trillion, five hundred twenty-one billion, fifty-six million, six hundred seventy thousand, six hundred sixty-five".