655266340056 has 32 divisors (see below), whose sum is σ = 1709390453760. Its totient is φ = 208925499552.

The previous prime is 655266339983. The next prime is 655266340117. The reversal of 655266340056 is 650043662556.

It is a junction number, because it is equal to n+sod(n) for n = 655266339987 and 655266340014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593537800 + ... + 593538903.

It is an arithmetic number, because the mean of its divisors is an integer number (53418451680).

Almost surely, 2^655266340056 is an apocalyptic number.

It is an amenable number.

655266340056 is an abundant number, since it is smaller than the sum of its proper divisors (1054124113704).

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

655266340056 is a wasteful number, since it uses less digits than its factorization.

655266340056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187076735 (or 1187076731 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 655266340056 in words is "six hundred fifty-five billion, two hundred sixty-six million, three hundred forty thousand, fifty-six".