660960322636 has 24 divisors (see below), whose sum is σ = 1232651266560. Its totient is φ = 309385680912.

The previous prime is 660960322621. The next prime is 660960322691. The reversal of 660960322636 is 636223069066.

It is a self number, because there is not a number n which added to its sum of digits gives 660960322636.

It is an unprimeable number.

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, 76424946 + ... + 76433593.

It is an arithmetic number, because the mean of its divisors is an integer number (51360469440).

Almost surely, 2^660960322636 is an apocalyptic number.

It is an amenable number.

660960322636 is a deficient number, since it is larger than the sum of its proper divisors (571690943924).

660960322636 is a wasteful number, since it uses less digits than its factorization.

660960322636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152858613 (or 152858611 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 49.

The spelling of 660960322636 in words is "six hundred sixty billion, nine hundred sixty million, three hundred twenty-two thousand, six hundred thirty-six".