165029227 has 32 divisors (see below), whose sum is σ = 195022080. Its totient is φ = 138203520.

The previous prime is 165029177. The next prime is 165029273. The reversal of 165029227 is 722920561.

It is a cyclic number.

It is not a de Polignac number, because 165029227 - 2¹⁵ = 164996459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 165029192 and 165029201.

It is not an unprimeable number, because it can be changed into a prime (165029297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 726888 + ... + 727114.

It is an arithmetic number, because the mean of its divisors is an integer number (6094440).

Almost surely, 2^165029227 is an apocalyptic number.

165029227 is a deficient number, since it is larger than the sum of its proper divisors (29992853).

165029227 is a wasteful number, since it uses less digits than its factorization.

165029227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 165029227 is about 12846.3701877223. The cubic root of 165029227 is about 548.5130380669.

Adding to 165029227 its reverse (722920561), we get a palindrome (887949788).

The spelling of 165029227 in words is "one hundred sixty-five million, twenty-nine thousand, two hundred twenty-seven".