165112741 has 2 divisors, whose sum is σ = 165112742. Its totient is φ = 165112740.

The previous prime is 165112709. The next prime is 165112751. The reversal of 165112741 is 147211561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165019716 + 93025 = 12846^2 + 305^2 .

It is a cyclic number.

It is not a de Polignac number, because 165112741 - 2⁵ = 165112709 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 (165112751) 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, 82556370 + 82556371.

It is an arithmetic number, because the mean of its divisors is an integer number (82556371).

Almost surely, 2^165112741 is an apocalyptic number.

It is an amenable number.

165112741 is a deficient number, since it is larger than the sum of its proper divisors (1).

165112741 is an equidigital number, since it uses as much as digits as its factorization.

165112741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 28.

The square root of 165112741 is about 12849.6202667627. The cubic root of 165112741 is about 548.6055485344.

The spelling of 165112741 in words is "one hundred sixty-five million, one hundred twelve thousand, seven hundred forty-one".