660006044 has 12 divisors (see below), whose sum is σ = 1161927984. Its totient is φ = 328026624.

The previous prime is 660006029. The next prime is 660006047. The reversal of 660006044 is 440600066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660006047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493349 + ... + 494684.

It is an arithmetic number, because the mean of its divisors is an integer number (96827332).

Almost surely, 2^660006044 is an apocalyptic number.

It is an amenable number.

660006044 is a deficient number, since it is larger than the sum of its proper divisors (501921940).

660006044 is a wasteful number, since it uses less digits than its factorization.

660006044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988204 (or 988202 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 660006044 is about 25690.5827882514. The cubic root of 660006044 is about 870.6614268171.

The spelling of 660006044 in words is "six hundred sixty million, six thousand, forty-four".