650066 has 8 divisors (see below), whose sum is σ = 1026480. Its totient is φ = 307908.

The previous prime is 650059. The next prime is 650071. The reversal of 650066 is 660056.

It is a happy number.

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

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 650066.

It is an unprimeable number.

650066 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8516 + ... + 8591.

It is an arithmetic number, because the mean of its divisors is an integer number (128310).

2⁶⁵⁰⁰⁶⁶ is an apocalyptic number.

650066 is a deficient number, since it is larger than the sum of its proper divisors (376414).

650066 is a wasteful number, since it uses less digits than its factorization.

650066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17128.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 650066 is about 806.2667052533. The cubic root of 650066 is about 86.6268423211.

The spelling of 650066 in words is "six hundred fifty thousand, sixty-six".