165124159 has 2 divisors, whose sum is σ = 165124160. Its totient is φ = 165124158.

The previous prime is 165124147. The next prime is 165124187. The reversal of 165124159 is 951421561.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165124159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165124109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82562079 + 82562080.

It is an arithmetic number, because the mean of its divisors is an integer number (82562080).

Almost surely, 2^165124159 is an apocalyptic number.

165124159 is a deficient number, since it is larger than the sum of its proper divisors (1).

165124159 is an equidigital number, since it uses as much as digits as its factorization.

165124159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 34.

The square root of 165124159 is about 12850.0645523670. The cubic root of 165124159 is about 548.6181941035.

The spelling of 165124159 in words is "one hundred sixty-five million, one hundred twenty-four thousand, one hundred fifty-nine".