165001016204113 has 2 divisors, whose sum is σ = 165001016204114. Its totient is φ = 165001016204112.

The previous prime is 165001016204083. The next prime is 165001016204153. The reversal of 165001016204113 is 311402610100561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134577098943169 + 30423917260944 = 11600737^2 + 5515788^2 .

It is a cyclic number.

It is not a de Polignac number, because 165001016204113 - 2¹³ = 165001016195921 is a prime.

It is not a weakly prime, because it can be changed into another prime (165001016204153) 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, 82500508102056 + 82500508102057.

It is an arithmetic number, because the mean of its divisors is an integer number (82500508102057).

Almost surely, 2^{165001016204113} is an apocalyptic number.

It is an amenable number.

165001016204113 is a deficient number, since it is larger than the sum of its proper divisors (1).

165001016204113 is an equidigital number, since it uses as much as digits as its factorization.

165001016204113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 165001016204113 its reverse (311402610100561), we get a palindrome (476403626304674).

The spelling of 165001016204113 in words is "one hundred sixty-five trillion, one billion, sixteen million, two hundred four thousand, one hundred thirteen".