165310544243126 has 16 divisors (see below), whose sum is σ = 249415628812704. Its totient is φ = 82172064463104.

The previous prime is 165310544243063. The next prime is 165310544243237. The reversal of 165310544243126 is 621342445013561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10544330 + ... + 21019133.

It is an arithmetic number, because the mean of its divisors is an integer number (15588476800794).

Almost surely, 2^{165310544243126} is an apocalyptic number.

165310544243126 is a deficient number, since it is larger than the sum of its proper divisors (84105084569578).

165310544243126 is a wasteful number, since it uses less digits than its factorization.

165310544243126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31578775.

The product of its (nonzero) digits is 2073600, while the sum is 47.

Adding to 165310544243126 its reverse (621342445013561), we get a palindrome (786652989256687).

The spelling of 165310544243126 in words is "one hundred sixty-five trillion, three hundred ten billion, five hundred forty-four million, two hundred forty-three thousand, one hundred twenty-six".