165135022 has 16 divisors (see below), whose sum is σ = 267911280. Its totient is φ = 75886272.

The previous prime is 165135013. The next prime is 165135029. The reversal of 165135022 is 220531561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165135029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7572 + ... + 19687.

It is an arithmetic number, because the mean of its divisors is an integer number (16744455).

Almost surely, 2^165135022 is an apocalyptic number.

165135022 is a deficient number, since it is larger than the sum of its proper divisors (102776258).

165135022 is a wasteful number, since it uses less digits than its factorization.

165135022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27507.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 165135022 is about 12850.4872281171. The cubic root of 165135022 is about 548.6302244626.

Adding to 165135022 its reverse (220531561), we get a palindrome (385666583).

The spelling of 165135022 in words is "one hundred sixty-five million, one hundred thirty-five thousand, twenty-two".