165934099 has 2 divisors, whose sum is σ = 165934100. Its totient is φ = 165934098.

The previous prime is 165934073. The next prime is 165934141. The reversal of 165934099 is 990439561.

It is a weak prime.

It is an emirp because it is prime and its reverse (990439561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165934099 - 2⁹ = 165933587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (165931099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82967049 + 82967050.

It is an arithmetic number, because the mean of its divisors is an integer number (82967050).

Almost surely, 2^165934099 is an apocalyptic number.

165934099 is a deficient number, since it is larger than the sum of its proper divisors (1).

165934099 is an equidigital number, since it uses as much as digits as its factorization.

165934099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 165934099 is about 12881.5410180615. The cubic root of 165934099 is about 549.5137288778.

The spelling of 165934099 in words is "one hundred sixty-five million, nine hundred thirty-four thousand, ninety-nine".