1716912717072 has 160 divisors (see below), whose sum is σ = 5149569454080. Its totient is φ = 482787302400.

The previous prime is 1716912717071. The next prime is 1716912717073. The reversal of 1716912717072 is 2707172196171.

It is an interprime number because it is at equal distance from previous prime (1716912717071) and next prime (1716912717073).

It is not an unprimeable number, because it can be changed into a prime (1716912717071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8204947 + ... + 8411597.

It is an arithmetic number, because the mean of its divisors is an integer number (32184809088).

Almost surely, 2^{1716912717072} is an apocalyptic number.

1716912717072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1716912717072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2574784727040).

1716912717072 is an abundant number, since it is smaller than the sum of its proper divisors (3432656737008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1716912717072 is a wasteful number, since it uses less digits than its factorization.

1716912717072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207061 (or 207055 counting only the distinct ones).

The product of its (nonzero) digits is 518616, while the sum is 51.

The spelling of 1716912717072 in words is "one trillion, seven hundred sixteen billion, nine hundred twelve million, seven hundred seventeen thousand, seventy-two".