716662330213171 has 4 divisors (see below), whose sum is σ = 716739899475600. Its totient is φ = 716584760950744.

The previous prime is 716662330213163. The next prime is 716662330213187. The reversal of 716662330213171 is 171312033266617.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 716662330213171 - 2³ = 716662330213163 is a prime.

It is a super-2 number, since 2×716662330213171² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716662330253171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38784617356 + ... + 38784635833.

It is an arithmetic number, because the mean of its divisors is an integer number (179184974868900).

Almost surely, 2^{716662330213171} is an apocalyptic number.

716662330213171 is a deficient number, since it is larger than the sum of its proper divisors (77569262429).

716662330213171 is an equidigital number, since it uses as much as digits as its factorization.

716662330213171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77569262428.

The product of its (nonzero) digits is 1143072, while the sum is 49.

Adding to 716662330213171 its reverse (171312033266617), we get a palindrome (887974363479788).

The spelling of 716662330213171 in words is "seven hundred sixteen trillion, six hundred sixty-two billion, three hundred thirty million, two hundred thirteen thousand, one hundred seventy-one".