165335041 has 2 divisors, whose sum is σ = 165335042. Its totient is φ = 165335040.

The previous prime is 165335021. The next prime is 165335057. The reversal of 165335041 is 140533561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148352400 + 16982641 = 12180^2 + 4121^2 .

It is a cyclic number.

It is not a de Polignac number, because 165335041 - 2⁹ = 165334529 is a prime.

It is not a weakly prime, because it can be changed into another prime (165335021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82667520 + 82667521.

It is an arithmetic number, because the mean of its divisors is an integer number (82667521).

Almost surely, 2^165335041 is an apocalyptic number.

It is an amenable number.

165335041 is a deficient number, since it is larger than the sum of its proper divisors (1).

165335041 is an equidigital number, since it uses as much as digits as its factorization.

165335041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 165335041 is about 12858.2674182800. The cubic root of 165335041 is about 548.8516436613.

The spelling of 165335041 in words is "one hundred sixty-five million, three hundred thirty-five thousand, forty-one".