165375157 has 2 divisors, whose sum is σ = 165375158. Its totient is φ = 165375156.

The previous prime is 165375151. The next prime is 165375191. The reversal of 165375157 is 751573561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126922756 + 38452401 = 11266^2 + 6201^2 .

It is an emirp because it is prime and its reverse (751573561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165375157 - 2²⁷ = 31157429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165375151) 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, 82687578 + 82687579.

It is an arithmetic number, because the mean of its divisors is an integer number (82687579).

Almost surely, 2^165375157 is an apocalyptic number.

It is an amenable number.

165375157 is a deficient number, since it is larger than the sum of its proper divisors (1).

165375157 is an equidigital number, since it uses as much as digits as its factorization.

165375157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110250, while the sum is 40.

The square root of 165375157 is about 12859.8272538942. The cubic root of 165375157 is about 548.8960302029.

The spelling of 165375157 in words is "one hundred sixty-five million, three hundred seventy-five thousand, one hundred fifty-seven".