655560166656 has 72 divisors (see below), whose sum is σ = 1744887531744. Its totient is φ = 218502338560.

The previous prime is 655560166649. The next prime is 655560166661. The reversal of 655560166656 is 656661065556.

It is a super-3 number, since 3×655560166656³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 655560166596 and 655560166605.

It is a congruent number.

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, 12308275 + ... + 12361421.

It is an arithmetic number, because the mean of its divisors is an integer number (24234549052).

Almost surely, 2^655560166656 is an apocalyptic number.

It is an amenable number.

655560166656 is an abundant number, since it is smaller than the sum of its proper divisors (1089327365088).

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

655560166656 is a wasteful number, since it uses less digits than its factorization.

655560166656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69227 (or 69213 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 57.

The spelling of 655560166656 in words is "six hundred fifty-five billion, five hundred sixty million, one hundred sixty-six thousand, six hundred fifty-six".