71716551205620 has 48 divisors (see below), whose sum is σ = 200903680776960. Its totient is φ = 19115143426176.

The previous prime is 71716551205577. The next prime is 71716551205661. The reversal of 71716551205620 is 2650215561717.

71716551205620 is digitally balanced in base 3, 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 71716551205620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289569835 + ... + 289817394.

It is an arithmetic number, because the mean of its divisors is an integer number (4185493349520).

Almost surely, 2^{71716551205620} is an apocalyptic number.

It is an amenable number.

71716551205620 is an abundant number, since it is smaller than the sum of its proper divisors (129187129571340).

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

71716551205620 is a wasteful number, since it uses less digits than its factorization.

71716551205620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579389304 (or 579389302 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 48.

The spelling of 71716551205620 in words is "seventy-one trillion, seven hundred sixteen billion, five hundred fifty-one million, two hundred five thousand, six hundred twenty".