716005644065 has 8 divisors (see below), whose sum is σ = 859211336808. Its totient is φ = 572801472640.

The previous prime is 716005643987. The next prime is 716005644073. The reversal of 716005644065 is 560446500617.

It can be written as a sum of positive squares in 4 ways, for example, as 146860634176 + 569145009889 = 383224^2 + 754417^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 716005644065 - 2¹⁸ = 716005381921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502219 + ... + 1920591.

It is an arithmetic number, because the mean of its divisors is an integer number (107401417101).

Almost surely, 2^716005644065 is an apocalyptic number.

It is an amenable number.

716005644065 is a deficient number, since it is larger than the sum of its proper divisors (143205692743).

716005644065 is a wasteful number, since it uses less digits than its factorization.

716005644065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760659.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 716005644065 in words is "seven hundred sixteen billion, five million, six hundred forty-four thousand, sixty-five".