171447618180013 has 16 divisors (see below), whose sum is σ = 209369383407360. Its totient is φ = 137041778209536.

The previous prime is 171447618179993. The next prime is 171447618180049. The reversal of 171447618180013 is 310081816744171.

171447618180013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171447618180013 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 (171447618180053) 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, 6608869081 + ... + 6608895022.

It is an arithmetic number, because the mean of its divisors is an integer number (13085586462960).

Almost surely, 2^{171447618180013} is an apocalyptic number.

It is an amenable number.

171447618180013 is a deficient number, since it is larger than the sum of its proper divisors (37921765227347).

171447618180013 is a wasteful number, since it uses less digits than its factorization.

171447618180013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13217764236.

The product of its (nonzero) digits is 903168, while the sum is 52.

The spelling of 171447618180013 in words is "one hundred seventy-one trillion, four hundred forty-seven billion, six hundred eighteen million, one hundred eighty thousand, thirteen".