165650099 has 2 divisors, whose sum is σ = 165650100. Its totient is φ = 165650098.

The previous prime is 165650033. The next prime is 165650119. The reversal of 165650099 is 990056561.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165650099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (165652099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82825049 + 82825050.

It is an arithmetic number, because the mean of its divisors is an integer number (82825050).

Almost surely, 2^165650099 is an apocalyptic number.

165650099 is a deficient number, since it is larger than the sum of its proper divisors (1).

165650099 is an equidigital number, since it uses as much as digits as its factorization.

165650099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 165650099 is about 12870.5127714478. The cubic root of 165650099 is about 549.2000480869.

The spelling of 165650099 in words is "one hundred sixty-five million, six hundred fifty thousand, ninety-nine".