655630366312 has 64 divisors (see below), whose sum is σ = 1325168465040. Its totient is φ = 302966784000.

The previous prime is 655630366309. The next prime is 655630366333. The reversal of 655630366312 is 213663036556.

It is a happy number.

655630366312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 475832317636 + 179798048676 = 689806^2 + 424026^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4920148 + ... + 5051644.

Almost surely, 2^655630366312 is an apocalyptic number.

It is an amenable number.

655630366312 is an abundant number, since it is smaller than the sum of its proper divisors (669538098728).

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

655630366312 is a wasteful number, since it uses less digits than its factorization.

655630366312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132182 (or 132178 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 46.

The spelling of 655630366312 in words is "six hundred fifty-five billion, six hundred thirty million, three hundred sixty-six thousand, three hundred twelve".