655522558028 has 12 divisors (see below), whose sum is σ = 1235407897920. Its totient is φ = 302548872912.

The previous prime is 655522557983. The next prime is 655522558051. The reversal of 655522558028 is 820855225556.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6303101468 + ... + 6303101571.

It is an arithmetic number, because the mean of its divisors is an integer number (102950658160).

Almost surely, 2^655522558028 is an apocalyptic number.

It is an amenable number.

655522558028 is a deficient number, since it is larger than the sum of its proper divisors (579885339892).

655522558028 is a wasteful number, since it uses less digits than its factorization.

655522558028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12606203056 (or 12606203054 counting only the distinct ones).

The product of its (nonzero) digits is 9600000, while the sum is 53.

The spelling of 655522558028 in words is "six hundred fifty-five billion, five hundred twenty-two million, five hundred fifty-eight thousand, twenty-eight".