1171716171716 has 12 divisors (see below), whose sum is σ = 2073542664060. Its totient is φ = 579275410560.

The previous prime is 1171716171707. The next prime is 1171716171719. The reversal of 1171716171716 is 6171716171711.

It can be written as a sum of positive squares in 2 ways, for example, as 622789288900 + 548926882816 = 789170^2 + 740896^2 .

It is not an unprimeable number, because it can be changed into a prime (1171716171719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645668425 + ... + 1645669136.

It is an arithmetic number, because the mean of its divisors is an integer number (172795222005).

Almost surely, 2^{1171716171716} is an apocalyptic number.

It is an amenable number.

1171716171716 is a deficient number, since it is larger than the sum of its proper divisors (901826492344).

1171716171716 is a wasteful number, since it uses less digits than its factorization.

1171716171716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291337654 (or 3291337652 counting only the distinct ones).

The product of its digits is 86436, while the sum is 47.

The spelling of 1171716171716 in words is "one trillion, one hundred seventy-one billion, seven hundred sixteen million, one hundred seventy-one thousand, seven hundred sixteen".