660006332 has 24 divisors (see below), whose sum is σ = 1185030000. Its totient is φ = 321526016.

The previous prime is 660006329. The next prime is 660006343. The reversal of 660006332 is 233600066.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14294 + ... + 39042.

It is an arithmetic number, because the mean of its divisors is an integer number (49376250).

Almost surely, 2^660006332 is an apocalyptic number.

It is an amenable number.

660006332 is a deficient number, since it is larger than the sum of its proper divisors (525023668).

660006332 is a wasteful number, since it uses less digits than its factorization.

660006332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24925 (or 24923 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 660006332 is about 25690.5883934175. The cubic root of 660006332 is about 870.6615534576.

Adding to 660006332 its reverse (233600066), we get a palindrome (893606398).

The spelling of 660006332 in words is "six hundred sixty million, six thousand, three hundred thirty-two".