660318627 has 8 divisors (see below), whose sum is σ = 880643664. Its totient is φ = 440103008.

The previous prime is 660318601. The next prime is 660318629. The reversal of 660318627 is 726813066.

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

It is a cyclic number.

It is not a de Polignac number, because 660318627 - 2⁷ = 660318499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (660318629) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12048 + ... + 38285.

It is an arithmetic number, because the mean of its divisors is an integer number (110080458).

Almost surely, 2^660318627 is an apocalyptic number.

660318627 is a deficient number, since it is larger than the sum of its proper divisors (220325037).

660318627 is a wasteful number, since it uses less digits than its factorization.

660318627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54709.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 660318627 is about 25696.6656786440. The cubic root of 660318627 is about 870.7988553604.

The spelling of 660318627 in words is "six hundred sixty million, three hundred eighteen thousand, six hundred twenty-seven".