165042126 has 24 divisors (see below), whose sum is σ = 367257384. Its totient is φ = 53526960.

The previous prime is 165042121. The next prime is 165042133. The reversal of 165042126 is 621240561.

165042126 is a `hidden beast` number, since 1 + 650 + 4 + 2 + 1 + 2 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 165042126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165042121) 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 in 11 ways as a sum of consecutive naturals, for example, 123240 + ... + 124571.

It is an arithmetic number, because the mean of its divisors is an integer number (15302391).

Almost surely, 2^165042126 is an apocalyptic number.

165042126 is an abundant number, since it is smaller than the sum of its proper divisors (202215258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165042126 is a wasteful number, since it uses less digits than its factorization.

165042126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247856 (or 247853 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 165042126 is about 12846.8722263437. The cubic root of 165042126 is about 548.5273286373.

Adding to 165042126 its reverse (621240561), we get a palindrome (786282687).

The spelling of 165042126 in words is "one hundred sixty-five million, forty-two thousand, one hundred twenty-six".