655210605712 has 40 divisors (see below), whose sum is σ = 1447541085816. Its totient is φ = 284616370176.

The previous prime is 655210605703. The next prime is 655210605733. The reversal of 655210605712 is 217506012556.

It can be written as a sum of positive squares in 4 ways, for example, as 54548405136 + 600662200576 = 233556^2 + 775024^2 .

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, 92645023 + ... + 92652094.

Almost surely, 2^655210605712 is an apocalyptic number.

It is an amenable number.

655210605712 is an abundant number, since it is smaller than the sum of its proper divisors (792330480104).

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

655210605712 is a wasteful number, since it uses less digits than its factorization.

655210605712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185297155 (or 185297149 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 655210605712 in words is "six hundred fifty-five billion, two hundred ten million, six hundred five thousand, seven hundred twelve".