348166551917 has 2 divisors, whose sum is σ = 348166551918. Its totient is φ = 348166551916.

The previous prime is 348166551893. The next prime is 348166551991. The reversal of 348166551917 is 719155661843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218921987881 + 129244564036 = 467891^2 + 359506^2 .

It is a cyclic number.

It is not a de Polignac number, because 348166551917 - 2⁸ = 348166551661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348166551617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174083275958 + 174083275959.

It is an arithmetic number, because the mean of its divisors is an integer number (174083275959).

Almost surely, 2^348166551917 is an apocalyptic number.

It is an amenable number.

348166551917 is a deficient number, since it is larger than the sum of its proper divisors (1).

348166551917 is an equidigital number, since it uses as much as digits as its factorization.

348166551917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 56.

The spelling of 348166551917 in words is "three hundred forty-eight billion, one hundred sixty-six million, five hundred fifty-one thousand, nine hundred seventeen".