716106621169 has 2 divisors, whose sum is σ = 716106621170. Its totient is φ = 716106621168.

The previous prime is 716106621161. The next prime is 716106621233. The reversal of 716106621169 is 961126601617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 694450555569 + 21656065600 = 833337^2 + 147160^2 .

It is a cyclic number.

It is not a de Polignac number, because 716106621169 - 2³ = 716106621161 is a prime.

It is a super-2 number, since 2×716106621169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (716106621161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358053310584 + 358053310585.

It is an arithmetic number, because the mean of its divisors is an integer number (358053310585).

Almost surely, 2^716106621169 is an apocalyptic number.

It is an amenable number.

716106621169 is a deficient number, since it is larger than the sum of its proper divisors (1).

716106621169 is an equidigital number, since it uses as much as digits as its factorization.

716106621169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 716106621169 in words is "seven hundred sixteen billion, one hundred six million, six hundred twenty-one thousand, one hundred sixty-nine".