164595735641 has 2 divisors, whose sum is σ = 164595735642. Its totient is φ = 164595735640.

The previous prime is 164595735593. The next prime is 164595735677. The reversal of 164595735641 is 146537595461.

It is a happy number.

164595735641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164595735616 + 25 = 405704^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 164595735641 - 2¹⁰ = 164595734617 is a prime.

It is not a weakly prime, because it can be changed into another prime (164595765641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82297867820 + 82297867821.

It is an arithmetic number, because the mean of its divisors is an integer number (82297867821).

Almost surely, 2^164595735641 is an apocalyptic number.

It is an amenable number.

164595735641 is a deficient number, since it is larger than the sum of its proper divisors (1).

164595735641 is an equidigital number, since it uses as much as digits as its factorization.

164595735641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608000, while the sum is 56.

The spelling of 164595735641 in words is "one hundred sixty-four billion, five hundred ninety-five million, seven hundred thirty-five thousand, six hundred forty-one".