165333073 has 2 divisors, whose sum is σ = 165333074. Its totient is φ = 165333072.

The previous prime is 165333067. The next prime is 165333097. The reversal of 165333073 is 370333561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163635264 + 1697809 = 12792^2 + 1303^2 .

It is a cyclic number.

It is not a de Polignac number, because 165333073 - 2⁹ = 165332561 is a prime.

It is not a weakly prime, because it can be changed into another prime (165333473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82666536 + 82666537.

It is an arithmetic number, because the mean of its divisors is an integer number (82666537).

Almost surely, 2^165333073 is an apocalyptic number.

It is an amenable number.

165333073 is a deficient number, since it is larger than the sum of its proper divisors (1).

165333073 is an equidigital number, since it uses as much as digits as its factorization.

165333073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 31.

The square root of 165333073 is about 12858.1908914124. The cubic root of 165333073 is about 548.8494659734.

The spelling of 165333073 in words is "one hundred sixty-five million, three hundred thirty-three thousand, seventy-three".