164450162098109 has 2 divisors, whose sum is σ = 164450162098110. Its totient is φ = 164450162098108.

The previous prime is 164450162098081. The next prime is 164450162098111. The reversal of 164450162098109 is 901890261054461.

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., 117985694342884 + 46464467755225 = 10862122^2 + 6816485^2 .

It is a cyclic number.

It is not a de Polignac number, because 164450162098109 - 2¹⁶ = 164450162032573 is a prime.

It is a Sophie Germain prime.

Together with 164450162098111, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164450162098139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82225081049054 + 82225081049055.

It is an arithmetic number, because the mean of its divisors is an integer number (82225081049055).

Almost surely, 2^{164450162098109} is an apocalyptic number.

It is an amenable number.

164450162098109 is a deficient number, since it is larger than the sum of its proper divisors (1).

164450162098109 is an equidigital number, since it uses as much as digits as its factorization.

164450162098109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 164450162098109 in words is "one hundred sixty-four trillion, four hundred fifty billion, one hundred sixty-two million, ninety-eight thousand, one hundred nine".