165262515235223 has 16 divisors (see below), whose sum is σ = 192893892771840. Its totient is φ = 138636871439616.

The previous prime is 165262515235199. The next prime is 165262515235241. The reversal of 165262515235223 is 322532515262561.

It is not a de Polignac number, because 165262515235223 - 2⁶ = 165262515235159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165262515235723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11268938 + ... + 21389576.

It is an arithmetic number, because the mean of its divisors is an integer number (12055868298240).

Almost surely, 2^{165262515235223} is an apocalyptic number.

165262515235223 is a deficient number, since it is larger than the sum of its proper divisors (27631377536617).

165262515235223 is a wasteful number, since it uses less digits than its factorization.

165262515235223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170326.

The product of its digits is 6480000, while the sum is 50.

The spelling of 165262515235223 in words is "one hundred sixty-five trillion, two hundred sixty-two billion, five hundred fifteen million, two hundred thirty-five thousand, two hundred twenty-three".