716568660 has 192 divisors, whose sum is σ = 2364902400. Its totient is φ = 179625600.

The previous prime is 716568659. The next prime is 716568661. The reversal of 716568660 is 66865617.

It is an interprime number because it is at equal distance from previous prime (716568659) and next prime (716568661).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716568661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2164695 + ... + 2165025.

It is an arithmetic number, because the mean of its divisors is an integer number (12317200).

Almost surely, 2^716568660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 716568660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1182451200).

716568660 is an abundant number, since it is smaller than the sum of its proper divisors (1648333740).

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

716568660 is a wasteful number, since it uses less digits than its factorization.

716568660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 716568660 is about 26768.8001225307. The cubic root of 716568660 is about 894.8548644738.

The spelling of 716568660 in words is "seven hundred sixteen million, five hundred sixty-eight thousand, six hundred sixty".