165122535 has 8 divisors (see below), whose sum is σ = 264196080. Its totient is φ = 88065344.

The previous prime is 165122519. The next prime is 165122557. The reversal of 165122535 is 535221561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 165122535 - 2⁴ = 165122519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5504070 + ... + 5504099.

It is an arithmetic number, because the mean of its divisors is an integer number (33024510).

Almost surely, 2^165122535 is an apocalyptic number.

165122535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165122535 is a deficient number, since it is larger than the sum of its proper divisors (99073545).

165122535 is a wasteful number, since it uses less digits than its factorization.

165122535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11008177.

The product of its digits is 9000, while the sum is 30.

The square root of 165122535 is about 12850.0013618676. The cubic root of 165122535 is about 548.6163955400.

The spelling of 165122535 in words is "one hundred sixty-five million, one hundred twenty-two thousand, five hundred thirty-five".