2155560160671 has 6 divisors (see below), whose sum is σ = 3113586898760. Its totient is φ = 1437040107108.

The previous prime is 2155560160657. The next prime is 2155560160679. The reversal of 2155560160671 is 1760610655512.

It is a happy number.

2155560160671 is a `hidden beast` number, since 2 + 1 + 5 + 5 + 560 + 16 + 0 + 6 + 71 = 666.

It is not a de Polignac number, because 2155560160671 - 2⁵ = 2155560160639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155560160679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119753342251 + ... + 119753342268.

Almost surely, 2^{2155560160671} is an apocalyptic number.

2155560160671 is a deficient number, since it is larger than the sum of its proper divisors (958026738089).

2155560160671 is a wasteful number, since it uses less digits than its factorization.

2155560160671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239506684525 (or 239506684522 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 2155560160671 in words is "two trillion, one hundred fifty-five billion, five hundred sixty million, one hundred sixty thousand, six hundred seventy-one".