716106621161 has 2 divisors, whose sum is σ = 716106621162. Its totient is φ = 716106621160.

The previous prime is 716106621149. The next prime is 716106621169. The reversal of 716106621161 is 161126601617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 532542360025 + 183564261136 = 729755^2 + 428444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716106621161 is a prime.

It is not a weakly prime, because it can be changed into another prime (716106621169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358053310580 + 358053310581.

It is an arithmetic number, because the mean of its divisors is an integer number (358053310581).

Almost surely, 2^716106621161 is an apocalyptic number.

It is an amenable number.

716106621161 is a deficient number, since it is larger than the sum of its proper divisors (1).

716106621161 is an equidigital number, since it uses as much as digits as its factorization.

716106621161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 716106621161 in words is "seven hundred sixteen billion, one hundred six million, six hundred twenty-one thousand, one hundred sixty-one".