165034513 has 8 divisors (see below), whose sum is σ = 198537920. Its totient is φ = 134012880.

The previous prime is 165034501. The next prime is 165034523. The reversal of 165034513 is 315430561.

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 165034513 - 2¹⁷ = 164903441 is a prime.

It is a super-3 number, since 3×165034513³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (165034523) 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 7 ways as a sum of consecutive naturals, for example, 620298 + ... + 620563.

It is an arithmetic number, because the mean of its divisors is an integer number (24817240).

Almost surely, 2^165034513 is an apocalyptic number.

It is an amenable number.

165034513 is a deficient number, since it is larger than the sum of its proper divisors (33503407).

165034513 is a wasteful number, since it uses less digits than its factorization.

165034513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240887.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 165034513 is about 12846.5759251250. The cubic root of 165034513 is about 548.5188944214.

It can be divided in two parts, 1650 and 34513, that added together give a palindrome (36163).

The spelling of 165034513 in words is "one hundred sixty-five million, thirty-four thousand, five hundred thirteen".