655345042671 has 16 divisors (see below), whose sum is σ = 976478646528. Its totient is φ = 387491524800.

The previous prime is 655345042661. The next prime is 655345042763. The reversal of 655345042671 is 176240543556.

It is not a de Polignac number, because 655345042671 - 2⁹ = 655345042159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 655345042671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655345042661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242180851 + ... + 242183556.

It is an arithmetic number, because the mean of its divisors is an integer number (61029915408).

Almost surely, 2^655345042671 is an apocalyptic number.

655345042671 is a deficient number, since it is larger than the sum of its proper divisors (321133603857).

655345042671 is a wasteful number, since it uses less digits than its factorization.

655345042671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484364462.

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 655345042671 in words is "six hundred fifty-five billion, three hundred forty-five million, forty-two thousand, six hundred seventy-one".