660965480798 has 16 divisors (see below), whose sum is σ = 1133111165280. Its totient is φ = 283264049376.

The previous prime is 660965480789. The next prime is 660965480803. The reversal of 660965480798 is 897084569066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48440 + ... + 1150772.

It is an arithmetic number, because the mean of its divisors is an integer number (70819447830).

Almost surely, 2^660965480798 is an apocalyptic number.

660965480798 is a deficient number, since it is larger than the sum of its proper divisors (472145684482).

660965480798 is a wasteful number, since it uses less digits than its factorization.

660965480798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145171.

The product of its (nonzero) digits is 156764160, while the sum is 68.

The spelling of 660965480798 in words is "six hundred sixty billion, nine hundred sixty-five million, four hundred eighty thousand, seven hundred ninety-eight".