716526664 has 64 divisors (see below), whose sum is σ = 1594080000. Its totient is φ = 295427328.

The previous prime is 716526649. The next prime is 716526683. The reversal of 716526664 is 466625617.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 716526664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582402 + ... + 583630.

It is an arithmetic number, because the mean of its divisors is an integer number (24907500).

Almost surely, 2^716526664 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 716526664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797040000).

716526664 is an abundant number, since it is smaller than the sum of its proper divisors (877553336).

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

716526664 is a wasteful number, since it uses less digits than its factorization.

716526664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1626 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 716526664 is about 26768.0156903720. The cubic root of 716526664 is about 894.8373825207.

The spelling of 716526664 in words is "seven hundred sixteen million, five hundred twenty-six thousand, six hundred sixty-four".