165219153 has 32 divisors (see below), whose sum is σ = 244608000. Its totient is φ = 98366400.

The previous prime is 165219151. The next prime is 165219157. The reversal of 165219153 is 351912561.

It is not a de Polignac number, because 165219153 - 2¹ = 165219151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (165219151) 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, 830148 + ... + 830346.

It is an arithmetic number, because the mean of its divisors is an integer number (7644000).

Almost surely, 2^165219153 is an apocalyptic number.

It is an amenable number.

165219153 is a deficient number, since it is larger than the sum of its proper divisors (79388847).

165219153 is a wasteful number, since it uses less digits than its factorization.

165219153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533.

The product of its digits is 8100, while the sum is 33.

The square root of 165219153 is about 12853.7602669413. The cubic root of 165219153 is about 548.7233784821.

The spelling of 165219153 in words is "one hundred sixty-five million, two hundred nineteen thousand, one hundred fifty-three".