660050 has 24 divisors (see below), whose sum is σ = 1260336. Its totient is φ = 257040.

The previous prime is 660047. The next prime is 660053. The reversal of 660050 is 50066.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (660047) and next prime (660053).

It is not an unprimeable number, because it can be changed into a prime (660053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1997 + ... + 2303.

It is an arithmetic number, because the mean of its divisors is an integer number (52514).

2⁶⁶⁰⁰⁵⁰ is an apocalyptic number.

660050 is a deficient number, since it is larger than the sum of its proper divisors (600286).

660050 is a wasteful number, since it uses less digits than its factorization.

660050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 660050 is about 812.4346127535. The cubic root of 660050 is about 87.0680754895.

The spelling of 660050 in words is "six hundred sixty thousand, fifty".