165201752041 has 2 divisors, whose sum is σ = 165201752042. Its totient is φ = 165201752040.

The previous prime is 165201751999. The next prime is 165201752129. The reversal of 165201752041 is 140257102561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119442124816 + 45759627225 = 345604^2 + 213915^2 .

It is a cyclic number.

It is not a de Polignac number, because 165201752041 - 2¹⁵ = 165201719273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165201751988 and 165201752006.

It is not a weakly prime, because it can be changed into another prime (165201702041) 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, 82600876020 + 82600876021.

It is an arithmetic number, because the mean of its divisors is an integer number (82600876021).

Almost surely, 2^165201752041 is an apocalyptic number.

It is an amenable number.

165201752041 is a deficient number, since it is larger than the sum of its proper divisors (1).

165201752041 is an equidigital number, since it uses as much as digits as its factorization.

165201752041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 165201752041 in words is "one hundred sixty-five billion, two hundred one million, seven hundred fifty-two thousand, forty-one".