716544664 has 96 divisors (see below), whose sum is σ = 1562187600. Its totient is φ = 305337600.

The previous prime is 716544649. The next prime is 716544671. The reversal of 716544664 is 466445617.

716544664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 716544664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3128902 + ... + 3129130.

Almost surely, 2^716544664 is an apocalyptic number.

716544664 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 716544664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781093800).

716544664 is an abundant number, since it is smaller than the sum of its proper divisors (845642936).

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

716544664 is a wasteful number, since it uses less digits than its factorization.

716544664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 310 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 716544664 is about 26768.3519104184. The cubic root of 716544664 is about 894.8448755836.

The spelling of 716544664 in words is "seven hundred sixteen million, five hundred forty-four thousand, six hundred sixty-four".