716660443 has 4 divisors (see below), whose sum is σ = 734140008. Its totient is φ = 699180880.

The previous prime is 716660431. The next prime is 716660447. The reversal of 716660443 is 344066617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344066617 = 457 ⋅752881.

It is a cyclic number.

It is not a de Polignac number, because 716660443 - 2¹⁷ = 716529371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716660447) 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, 8739721 + ... + 8739802.

It is an arithmetic number, because the mean of its divisors is an integer number (183535002).

Almost surely, 2^716660443 is an apocalyptic number.

716660443 is a deficient number, since it is larger than the sum of its proper divisors (17479565).

716660443 is a wasteful number, since it uses less digits than its factorization.

716660443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17479564.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 716660443 is about 26770.5144328606. The cubic root of 716660443 is about 894.8930692136.

The spelling of 716660443 in words is "seven hundred sixteen million, six hundred sixty thousand, four hundred forty-three".