716561427171 has 8 divisors (see below), whose sum is σ = 955620411664. Its totient is φ = 477605030400.

The previous prime is 716561427151. The next prime is 716561427173. The reversal of 716561427171 is 171724165617.

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

It is a de Polignac number, because none of the positive numbers 2^k-716561427171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 716561427171.

It is not an unprimeable number, because it can be changed into a prime (716561427173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25630630 + ... + 25658571.

It is an arithmetic number, because the mean of its divisors is an integer number (119452551458).

Almost surely, 2^716561427171 is an apocalyptic number.

716561427171 is a deficient number, since it is larger than the sum of its proper divisors (239058984493).

716561427171 is a wasteful number, since it uses less digits than its factorization.

716561427171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51293861.

The product of its digits is 493920, while the sum is 48.

The spelling of 716561427171 in words is "seven hundred sixteen billion, five hundred sixty-one million, four hundred twenty-seven thousand, one hundred seventy-one".