1716716872172 has 12 divisors (see below), whose sum is σ = 3162373185720. Its totient is φ = 813181676256.

The previous prime is 1716716872151. The next prime is 1716716872181. The reversal of 1716716872172 is 2712786176171.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11294189873 + ... + 11294190024.

It is an arithmetic number, because the mean of its divisors is an integer number (263531098810).

Almost surely, 2^{1716716872172} is an apocalyptic number.

It is an amenable number.

1716716872172 is a deficient number, since it is larger than the sum of its proper divisors (1445656313548).

1716716872172 is a wasteful number, since it uses less digits than its factorization.

1716716872172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22588379920 (or 22588379918 counting only the distinct ones).

The product of its digits is 2765952, while the sum is 56.

The spelling of 1716716872172 in words is "one trillion, seven hundred sixteen billion, seven hundred sixteen million, eight hundred seventy-two thousand, one hundred seventy-two".