165167223 has 32 divisors (see below), whose sum is σ = 257939136. Its totient is φ = 93063168.

The previous prime is 165167221. The next prime is 165167227. The reversal of 165167223 is 322761561.

It is not a de Polignac number, because 165167223 - 2¹ = 165167221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165167221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21165 + ... + 27897.

It is an arithmetic number, because the mean of its divisors is an integer number (8060598).

Almost surely, 2^165167223 is an apocalyptic number.

165167223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

165167223 is a deficient number, since it is larger than the sum of its proper divisors (92771913).

165167223 is a wasteful number, since it uses less digits than its factorization.

165167223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803.

The product of its digits is 15120, while the sum is 33.

The square root of 165167223 is about 12851.7400767367. The cubic root of 165167223 is about 548.6658827448.

The spelling of 165167223 in words is "one hundred sixty-five million, one hundred sixty-seven thousand, two hundred twenty-three".