546660006505 has 4 divisors (see below), whose sum is σ = 655992007812. Its totient is φ = 437328005200.

The previous prime is 546660006469. The next prime is 546660006547. The reversal of 546660006505 is 505600066645.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63375041536 + 483284964969 = 251744^2 + 695187^2 .

It is not a de Polignac number, because 546660006505 - 2²⁷ = 546525788777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54666000646 + ... + 54666000655.

It is an arithmetic number, because the mean of its divisors is an integer number (163998001953).

Almost surely, 2^546660006505 is an apocalyptic number.

It is an amenable number.

546660006505 is a deficient number, since it is larger than the sum of its proper divisors (109332001307).

546660006505 is a wasteful number, since it uses less digits than its factorization.

546660006505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109332001306.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 546660006505 in words is "five hundred forty-six billion, six hundred sixty million, six thousand, five hundred five".