165229863 has 16 divisors (see below), whose sum is σ = 225431040. Its totient is φ = 107600256.

The previous prime is 165229837. The next prime is 165229873. The reversal of 165229863 is 368922561.

It is not a de Polignac number, because 165229863 - 2¹⁰ = 165228839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165229873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110223 + ... + 111711.

It is an arithmetic number, because the mean of its divisors is an integer number (14089440).

Almost surely, 2^165229863 is an apocalyptic number.

165229863 is a deficient number, since it is larger than the sum of its proper divisors (60201177).

165229863 is a wasteful number, since it uses less digits than its factorization.

165229863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326.

The product of its digits is 155520, while the sum is 42.

The square root of 165229863 is about 12854.1768697961. The cubic root of 165229863 is about 548.7352348564.

The spelling of 165229863 in words is "one hundred sixty-five million, two hundred twenty-nine thousand, eight hundred sixty-three".