165755750023 has 2 divisors, whose sum is σ = 165755750024. Its totient is φ = 165755750022.

The previous prime is 165755749963. The next prime is 165755750033. The reversal of 165755750023 is 320057557561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165755750023 - 2²⁵ = 165722195591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165755750033) 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, 82877875011 + 82877875012.

It is an arithmetic number, because the mean of its divisors is an integer number (82877875012).

Almost surely, 2^165755750023 is an apocalyptic number.

165755750023 is a deficient number, since it is larger than the sum of its proper divisors (1).

165755750023 is an equidigital number, since it uses as much as digits as its factorization.

165755750023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102500, while the sum is 46.

The spelling of 165755750023 in words is "one hundred sixty-five billion, seven hundred fifty-five million, seven hundred fifty thousand, twenty-three".