165226166 has 32 divisors (see below), whose sum is σ = 308448000. Its totient is φ = 64768032.

The previous prime is 165226141. The next prime is 165226169. The reversal of 165226166 is 661622561.

165226166 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165226169) 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, 2996 + ... + 18423.

It is an arithmetic number, because the mean of its divisors is an integer number (9639000).

Almost surely, 2^165226166 is an apocalyptic number.

165226166 is a deficient number, since it is larger than the sum of its proper divisors (143221834).

165226166 is a wasteful number, since it uses less digits than its factorization.

165226166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21476.

The product of its digits is 25920, while the sum is 35.

The square root of 165226166 is about 12854.0330635953. The cubic root of 165226166 is about 548.7311421958.

The spelling of 165226166 in words is "one hundred sixty-five million, two hundred twenty-six thousand, one hundred sixty-six".