655660060655 has 48 divisors (see below), whose sum is σ = 836150402880. Its totient is φ = 493481769984.

The previous prime is 655660060621. The next prime is 655660060711. The reversal of 655660060655 is 556060066556.

It is a happy number.

It is not a de Polignac number, because 655660060655 - 2⁶ = 655660060591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163626662 + ... + 163630668.

It is an arithmetic number, because the mean of its divisors is an integer number (17419800060).

Almost surely, 2^655660060655 is an apocalyptic number.

655660060655 is a deficient number, since it is larger than the sum of its proper divisors (180490342225).

655660060655 is a wasteful number, since it uses less digits than its factorization.

655660060655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4656 (or 4637 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 655660060655 in words is "six hundred fifty-five billion, six hundred sixty million, sixty thousand, six hundred fifty-five".