660705316 has 12 divisors (see below), whose sum is σ = 1217088880. Its totient is φ = 312965640.

The previous prime is 660705313. The next prime is 660705343. The reversal of 660705316 is 613507066.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (660705313) by changing a digit.

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, 4346670 + ... + 4346821.

Almost surely, 2^660705316 is an apocalyptic number.

It is an amenable number.

660705316 is a deficient number, since it is larger than the sum of its proper divisors (556383564).

660705316 is a wasteful number, since it uses less digits than its factorization.

660705316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8693514 (or 8693512 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 660705316 is about 25704.1886858932. The cubic root of 660705316 is about 870.9688049452.

The spelling of 660705316 in words is "six hundred sixty million, seven hundred five thousand, three hundred sixteen".