171109631716 has 9 divisors (see below), whose sum is σ = 299443303299. Its totient is φ = 85554402204.

The previous prime is 171109631687. The next prime is 171109631743. The reversal of 171109631716 is 617136901171.

The square root of 171109631716 is 413654.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 723895 + ... + 930721.

Almost surely, 2^171109631716 is an apocalyptic number.

171109631716 is the 413654-th square number.

It is an amenable number.

171109631716 is a deficient number, since it is larger than the sum of its proper divisors (128333671583).

171109631716 is an frugal number, since it uses more digits than its factorization.

171109631716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413658 (or 206829 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 43.

The spelling of 171109631716 in words is "one hundred seventy-one billion, one hundred nine million, six hundred thirty-one thousand, seven hundred sixteen".