165345341200517 has 8 divisors (see below), whose sum is σ = 171133335727200. Its totient is φ = 159563108743024.

The previous prime is 165345341200511. The next prime is 165345341200607. The reversal of 165345341200517 is 715002143543561.

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 165345341200517 - 2¹⁸ = 165345340938373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165345341200511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440458903 + ... + 1440573684.

It is an arithmetic number, because the mean of its divisors is an integer number (21391666965900).

Almost surely, 2^{165345341200517} is an apocalyptic number.

It is an amenable number.

165345341200517 is a deficient number, since it is larger than the sum of its proper divisors (5787994526683).

165345341200517 is a wasteful number, since it uses less digits than its factorization.

165345341200517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881034595.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 165345341200517 in words is "one hundred sixty-five trillion, three hundred forty-five billion, three hundred forty-one million, two hundred thousand, five hundred seventeen".