660006040244 has 6 divisors (see below), whose sum is σ = 1155010570434. Its totient is φ = 330003020120.

The previous prime is 660006040231. The next prime is 660006040277. The reversal of 660006040244 is 442040600066.

It can be written as a sum of positive squares in only one way, i.e., 610304688400 + 49701351844 = 781220^2 + 222938^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 660006040244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82500755027 + ... + 82500755034.

It is an arithmetic number, because the mean of its divisors is an integer number (192501761739).

Almost surely, 2^660006040244 is an apocalyptic number.

It is an amenable number.

660006040244 is a deficient number, since it is larger than the sum of its proper divisors (495004530190).

660006040244 is a wasteful number, since it uses less digits than its factorization.

660006040244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165001510065 (or 165001510063 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 660006040244 in words is "six hundred sixty billion, six million, forty thousand, two hundred forty-four".