660356667808316 has 6 divisors (see below), whose sum is σ = 1155624168664560. Its totient is φ = 330178333904156.

The previous prime is 660356667808307. The next prime is 660356667808423. The reversal of 660356667808316 is 613808766653066.

It is a self number, because there is not a number n which added to its sum of digits gives 660356667808316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82544583476036 + ... + 82544583476043.

It is an arithmetic number, because the mean of its divisors is an integer number (192604028110760).

Almost surely, 2^{660356667808316} is an apocalyptic number.

It is an amenable number.

660356667808316 is a deficient number, since it is larger than the sum of its proper divisors (495267500856244).

660356667808316 is a wasteful number, since it uses less digits than its factorization.

660356667808316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165089166952083 (or 165089166952081 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 71.

The spelling of 660356667808316 in words is "six hundred sixty trillion, three hundred fifty-six billion, six hundred sixty-seven million, eight hundred eight thousand, three hundred sixteen".