164343242245349 has 2 divisors, whose sum is σ = 164343242245350. Its totient is φ = 164343242245348.

The previous prime is 164343242245279. The next prime is 164343242245361. The reversal of 164343242245349 is 943542242343461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164277590994724 + 65651250625 = 12817082^2 + 256225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164343242245349 is a prime.

It is a super-2 number, since 2×164343242245349² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164343242245294 and 164343242245303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164343242245549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82171621122674 + 82171621122675.

It is an arithmetic number, because the mean of its divisors is an integer number (82171621122675).

Almost surely, 2^{164343242245349} is an apocalyptic number.

It is an amenable number.

164343242245349 is a deficient number, since it is larger than the sum of its proper divisors (1).

164343242245349 is an equidigital number, since it uses as much as digits as its factorization.

164343242245349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59719680, while the sum is 56.

The spelling of 164343242245349 in words is "one hundred sixty-four trillion, three hundred forty-three billion, two hundred forty-two million, two hundred forty-five thousand, three hundred forty-nine".