648066 has 8 divisors (see below), whose sum is σ = 1296144. Its totient is φ = 216020.

The previous prime is 648061. The next prime is 648073. The reversal of 648066 is 660846.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

648066 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 648066.

It is not an unprimeable number, because it can be changed into a prime (648061) by changing a digit.

648066 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54000 + ... + 54011.

It is an arithmetic number, because the mean of its divisors is an integer number (162018).

2⁶⁴⁸⁰⁶⁶ is an apocalyptic number.

648066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

648066 is a wasteful number, since it uses less digits than its factorization.

648066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108016.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 648066 is about 805.0254654357. The cubic root of 648066 is about 86.5379120345.

The spelling of 648066 in words is "six hundred forty-eight thousand, sixty-six".