164544308701 has 2 divisors, whose sum is σ = 164544308702. Its totient is φ = 164544308700.

The previous prime is 164544308699. The next prime is 164544308837. The reversal of 164544308701 is 107803445461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164061452025 + 482856676 = 405045^2 + 21974^2 .

It is an emirp because it is prime and its reverse (107803445461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164544308701 - 2¹ = 164544308699 is a prime.

Together with 164544308699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164544306701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82272154350 + 82272154351.

It is an arithmetic number, because the mean of its divisors is an integer number (82272154351).

Almost surely, 2^164544308701 is an apocalyptic number.

It is an amenable number.

164544308701 is a deficient number, since it is larger than the sum of its proper divisors (1).

164544308701 is an equidigital number, since it uses as much as digits as its factorization.

164544308701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 164544308701 in words is "one hundred sixty-four billion, five hundred forty-four million, three hundred eight thousand, seven hundred one".