348166551991 has 2 divisors, whose sum is σ = 348166551992. Its totient is φ = 348166551990.

The previous prime is 348166551917. The next prime is 348166552057. The reversal of 348166551991 is 199155661843.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (199155661843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 348166551991 - 2²³ = 348158163383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348166551791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174083275995 + 174083275996.

It is an arithmetic number, because the mean of its divisors is an integer number (174083275996).

Almost surely, 2^348166551991 is an apocalyptic number.

348166551991 is a deficient number, since it is larger than the sum of its proper divisors (1).

348166551991 is an equidigital number, since it uses as much as digits as its factorization.

348166551991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6998400, while the sum is 58.

The spelling of 348166551991 in words is "three hundred forty-eight billion, one hundred sixty-six million, five hundred fifty-one thousand, nine hundred ninety-one".