165026973 has 16 divisors (see below), whose sum is σ = 235388160. Its totient is φ = 102475776.

The previous prime is 165026959. The next prime is 165027013. The reversal of 165026973 is 379620561.

It is not a de Polignac number, because 165026973 - 2⁵ = 165026941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165026923) 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, 11733 + ... + 21626.

It is an arithmetic number, because the mean of its divisors is an integer number (14711760).

Almost surely, 2^165026973 is an apocalyptic number.

It is an amenable number.

165026973 is a deficient number, since it is larger than the sum of its proper divisors (70361187).

165026973 is a wasteful number, since it uses less digits than its factorization.

165026973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33476.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 165026973 is about 12846.2824583613. The cubic root of 165026973 is about 548.5105408244.

The spelling of 165026973 in words is "one hundred sixty-five million, twenty-six thousand, nine hundred seventy-three".