164935649022349 has 2 divisors, whose sum is σ = 164935649022350. Its totient is φ = 164935649022348.

The previous prime is 164935649022343. The next prime is 164935649022433. The reversal of 164935649022349 is 943220946539461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127668982864900 + 37266666157449 = 11299070^2 + 6104643^2 .

It is an emirp because it is prime and its reverse (943220946539461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164935649022349 - 2³ = 164935649022341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164935649022341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82467824511174 + 82467824511175.

It is an arithmetic number, because the mean of its divisors is an integer number (82467824511175).

Almost surely, 2^{164935649022349} is an apocalyptic number.

It is an amenable number.

164935649022349 is a deficient number, since it is larger than the sum of its proper divisors (1).

164935649022349 is an equidigital number, since it uses as much as digits as its factorization.

164935649022349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302330880, while the sum is 67.

The spelling of 164935649022349 in words is "one hundred sixty-four trillion, nine hundred thirty-five billion, six hundred forty-nine million, twenty-two thousand, three hundred forty-nine".