660937960000 has 70 divisors (see below), whose sum is σ = 1638911435150. Its totient is φ = 264375168000.

The previous prime is 660937959937. The next prime is 660937960051. The reversal of 660937960000 is 69739066.

It can be written as a sum of positive squares in 5 ways, for example, as 253822500864 + 407115459136 = 503808^2 + 638056^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8221725 + ... + 8301724.

Almost surely, 2^660937960000 is an apocalyptic number.

It is an amenable number.

660937960000 is an abundant number, since it is smaller than the sum of its proper divisors (977973475150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

660937960000 is an equidigital number, since it uses as much as digits as its factorization.

660937960000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16523481 (or 16523456 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 46.

The spelling of 660937960000 in words is "six hundred sixty billion, nine hundred thirty-seven million, nine hundred sixty thousand".