165452117 has 8 divisors (see below), whose sum is σ = 168661920. Its totient is φ = 162271440.

The previous prime is 165452099. The next prime is 165452137. The reversal of 165452117 is 711254561.

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 165452117 - 2²⁰ = 164403541 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 (165452137) 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, 4367 + ... + 18707.

It is an arithmetic number, because the mean of its divisors is an integer number (21082740).

Almost surely, 2^165452117 is an apocalyptic number.

It is an amenable number.

165452117 is a deficient number, since it is larger than the sum of its proper divisors (3209803).

165452117 is a wasteful number, since it uses less digits than its factorization.

165452117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14563.

The product of its digits is 8400, while the sum is 32.

The square root of 165452117 is about 12862.8191699954. The cubic root of 165452117 is about 548.9811628756.

The spelling of 165452117 in words is "one hundred sixty-five million, four hundred fifty-two thousand, one hundred seventeen".