716736985539136 has 21 divisors (see below), whose sum is σ = 1422275380683961. Its totient is φ = 358368385681792.

The previous prime is 716736985539109. The next prime is 716736985539187. The reversal of 716736985539136 is 631935589637617.

The square root of 716736985539136 is 26771944.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 296235043790400 + 420501941748736 = 17211480^2 + 20506144^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 212502306 + ... + 215848798.

Almost surely, 2^{716736985539136} is an apocalyptic number.

716736985539136 is the 26771944-th square number.

It is an amenable number.

716736985539136 is a deficient number, since it is larger than the sum of its proper divisors (705538395144825).

716736985539136 is an frugal number, since it uses more digits than its factorization.

716736985539136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6692998 (or 3346495 counting only the distinct ones).

The product of its digits is 4629441600, while the sum is 79.

The spelling of 716736985539136 in words is "seven hundred sixteen trillion, seven hundred thirty-six billion, nine hundred eighty-five million, five hundred thirty-nine thousand, one hundred thirty-six".