655546163515643 has 8 divisors (see below), whose sum is σ = 667952039633328. Its totient is φ = 643141660752864.

The previous prime is 655546163515571. The next prime is 655546163515651. The reversal of 655546163515643 is 346515361645556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 655546163515643 - 2¹⁴ = 655546163499259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 655546163515643.

It is not an unprimeable number, because it can be changed into a prime (655546163515343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342375005 + ... + 344284382.

It is an arithmetic number, because the mean of its divisors is an integer number (83494004954166).

Almost surely, 2^{655546163515643} is an apocalyptic number.

655546163515643 is a deficient number, since it is larger than the sum of its proper divisors (12405876117685).

655546163515643 is a wasteful number, since it uses less digits than its factorization.

655546163515643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686677453.

The product of its digits is 583200000, while the sum is 65.

The spelling of 655546163515643 in words is "six hundred fifty-five trillion, five hundred forty-six billion, one hundred sixty-three million, five hundred fifteen thousand, six hundred forty-three".