1716716689 has 16 divisors (see below), whose sum is σ = 1781406720. Its totient is φ = 1653350400.

The previous prime is 1716716681. The next prime is 1716716707. The reversal of 1716716689 is 9866176171.

It is a cyclic number.

It is not a de Polignac number, because 1716716689 - 2³ = 1716716681 is a prime.

It is a super-2 number, since 2×1716716689² = 5894232380582245442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1716716681) 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, 1488337 + ... + 1489489.

It is an arithmetic number, because the mean of its divisors is an integer number (111337920).

Almost surely, 2^1716716689 is an apocalyptic number.

It is an amenable number.

1716716689 is a deficient number, since it is larger than the sum of its proper divisors (64690031).

1716716689 is a wasteful number, since it uses less digits than its factorization.

1716716689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680.

The product of its digits is 762048, while the sum is 52.

The square root of 1716716689 is about 41433.2799691263. The cubic root of 1716716689 is about 1197.3824168206.

It can be divided in two parts, 17167 and 16689, that added together give a square (33856 = 184²).

The spelling of 1716716689 in words is "one billion, seven hundred sixteen million, seven hundred sixteen thousand, six hundred eighty-nine".