716681545007 has 16 divisors (see below), whose sum is σ = 734958063840. Its totient is φ = 698642236800.

The previous prime is 716681544949. The next prime is 716681545043. The reversal of 716681545007 is 700545186617.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 716681545007 - 2³² = 712386577711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716681545057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3124244 + ... + 3345782.

It is an arithmetic number, because the mean of its divisors is an integer number (45934878990).

Almost surely, 2^716681545007 is an apocalyptic number.

716681545007 is a deficient number, since it is larger than the sum of its proper divisors (18276518833).

716681545007 is a wasteful number, since it uses less digits than its factorization.

716681545007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222074.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 716681545007 in words is "seven hundred sixteen billion, six hundred eighty-one million, five hundred forty-five thousand, seven".