165852203 has 8 divisors (see below), whose sum is σ = 181149696. Its totient is φ = 150591400.

The previous prime is 165852199. The next prime is 165852217. The reversal of 165852203 is 302258561.

165852203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 165852203 - 2² = 165852199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165852203.

It is not an unprimeable number, because it can be changed into a prime (165852223) 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, 758 + ... + 18228.

It is an arithmetic number, because the mean of its divisors is an integer number (22643712).

Almost surely, 2^165852203 is an apocalyptic number.

165852203 is a deficient number, since it is larger than the sum of its proper divisors (15297493).

165852203 is a wasteful number, since it uses less digits than its factorization.

165852203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18345.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 165852203 is about 12878.3618135227. The cubic root of 165852203 is about 549.4233106891.

The spelling of 165852203 in words is "one hundred sixty-five million, eight hundred fifty-two thousand, two hundred three".