660607207852 has 24 divisors (see below), whose sum is σ = 1160106685920. Its totient is φ = 329148754560.

The previous prime is 660607207817. The next prime is 660607207853. The reversal of 660607207852 is 258702706066.

It is a junction number, because it is equal to n+sod(n) for n = 660607207796 and 660607207805.

It is not an unprimeable number, because it can be changed into a prime (660607207853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4451424 + ... + 4597432.

It is an arithmetic number, because the mean of its divisors is an integer number (48337778580).

Almost surely, 2^660607207852 is an apocalyptic number.

It is an amenable number.

660607207852 is a deficient number, since it is larger than the sum of its proper divisors (499499478068).

660607207852 is a wasteful number, since it uses less digits than its factorization.

660607207852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149961 (or 149959 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 660607207852 in words is "six hundred sixty billion, six hundred seven million, two hundred seven thousand, eight hundred fifty-two".