165493223 has 8 divisors (see below), whose sum is σ = 189214080. Its totient is φ = 141792120.

The previous prime is 165493219. The next prime is 165493231. The reversal of 165493223 is 322394561.

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 165493223 - 2² = 165493219 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 (165493243) 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, 25748 + ... + 31526.

It is an arithmetic number, because the mean of its divisors is an integer number (23651760).

Almost surely, 2^165493223 is an apocalyptic number.

165493223 is a deficient number, since it is larger than the sum of its proper divisors (23720857).

165493223 is an equidigital number, since it uses as much as digits as its factorization.

165493223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9877.

The product of its digits is 38880, while the sum is 35.

The square root of 165493223 is about 12864.4169319872. The cubic root of 165493223 is about 549.0266232611.

The spelling of 165493223 in words is "one hundred sixty-five million, four hundred ninety-three thousand, two hundred twenty-three".