655205782052 has 24 divisors (see below), whose sum is σ = 1154041768824. Its totient is φ = 325480027392.

The previous prime is 655205782051. The next prime is 655205782087. The reversal of 655205782052 is 250287502556.

It can be written as a sum of positive squares in 4 ways, for example, as 480393154816 + 174812627236 = 693104^2 + 418106^2 .

It is a junction number, because it is equal to n+sod(n) for n = 655205781988 and 655205782006.

It is not an unprimeable number, because it can be changed into a prime (655205782051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6111938 + ... + 6218214.

It is an arithmetic number, because the mean of its divisors is an integer number (48085073701).

Almost surely, 2^655205782052 is an apocalyptic number.

It is an amenable number.

655205782052 is a deficient number, since it is larger than the sum of its proper divisors (498835986772).

655205782052 is a wasteful number, since it uses less digits than its factorization.

655205782052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116255 (or 116253 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 47.

The spelling of 655205782052 in words is "six hundred fifty-five billion, two hundred five million, seven hundred eighty-two thousand, fifty-two".