655546645556 has 12 divisors (see below), whose sum is σ = 1251498141600. Its totient is φ = 297975747960.

The previous prime is 655546645531. The next prime is 655546645571.

It is a happy number.

655546645556 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7449393656 + ... + 7449393743.

It is an arithmetic number, because the mean of its divisors is an integer number (104291511800).

Almost surely, 2^655546645556 is an apocalyptic number.

It is an amenable number.

655546645556 is a deficient number, since it is larger than the sum of its proper divisors (595951496044).

655546645556 is a wasteful number, since it uses less digits than its factorization.

655546645556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14898787414 (or 14898787412 counting only the distinct ones).

The product of its digits is 324000000, while the sum is 62.

The spelling of 655546645556 in words is "six hundred fifty-five billion, five hundred forty-six million, six hundred forty-five thousand, five hundred fifty-six".