655711662068 has 12 divisors (see below), whose sum is σ = 1151858510880. Its totient is φ = 326609230392.

The previous prime is 655711662061. The next prime is 655711662083. The reversal of 655711662068 is 860266117556.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655711662061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311648978 + ... + 311651081.

It is an arithmetic number, because the mean of its divisors is an integer number (95988209240).

Almost surely, 2^655711662068 is an apocalyptic number.

It is an amenable number.

655711662068 is a deficient number, since it is larger than the sum of its proper divisors (496146848812).

655711662068 is a wasteful number, since it uses less digits than its factorization.

655711662068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623300326 (or 623300324 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 655711662068 in words is "six hundred fifty-five billion, seven hundred eleven million, six hundred sixty-two thousand, sixty-eight".