716776906560 has 448 divisors, whose sum is σ = 2730538266624. Its totient is φ = 156983500800.

The previous prime is 716776906553. The next prime is 716776906583. The reversal of 716776906560 is 65609677617.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 716776906494 and 716776906503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6396615 + ... + 6507705.

It is an arithmetic number, because the mean of its divisors is an integer number (6094951488).

Almost surely, 2^716776906560 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 716776906560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1365269133312).

716776906560 is an abundant number, since it is smaller than the sum of its proper divisors (2013761360064).

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

716776906560 is a wasteful number, since it uses less digits than its factorization.

716776906560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111182 (or 111172 counting only the distinct ones).

The product of its (nonzero) digits is 20003760, while the sum is 60.

The spelling of 716776906560 in words is "seven hundred sixteen billion, seven hundred seventy-six million, nine hundred six thousand, five hundred sixty".