660006360 has 256 divisors, whose sum is σ = 2452464000. Its totient is φ = 156764160.

The previous prime is 660006349. The next prime is 660006409. The reversal of 660006360 is 63600066.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 406350 + ... + 407970.

Almost surely, 2^660006360 is an apocalyptic number.

660006360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 660006360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1226232000).

660006360 is an abundant number, since it is smaller than the sum of its proper divisors (1792457640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

660006360 is a wasteful number, since it uses less digits than its factorization.

660006360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 660006360 is about 25690.5889383642. The cubic root of 660006360 is about 870.6615657699.

The spelling of 660006360 in words is "six hundred sixty million, six thousand, three hundred sixty".