716566 has 16 divisors (see below), whose sum is σ = 1148400. Its totient is φ = 334368.

The previous prime is 716563. The next prime is 716581. The reversal of 716566 is 665617.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4056 + ... + 4228.

It is an arithmetic number, because the mean of its divisors is an integer number (71775).

2⁷¹⁶⁵⁶⁶ is an apocalyptic number.

716566 is a deficient number, since it is larger than the sum of its proper divisors (431834).

716566 is a wasteful number, since it uses less digits than its factorization.

716566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303.

The product of its digits is 7560, while the sum is 31.

The square root of 716566 is about 846.5022150001. The cubic root of 716566 is about 89.4853757198.

The spelling of 716566 in words is "seven hundred sixteen thousand, five hundred sixty-six".