165314211 has 4 divisors (see below), whose sum is σ = 220418952. Its totient is φ = 110209472.

The previous prime is 165314203. The next prime is 165314213. The reversal of 165314211 is 112413561.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165314211 - 2³ = 165314203 is a prime.

It is a super-3 number, since 3×165314211³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (165314213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27552366 + ... + 27552371.

It is an arithmetic number, because the mean of its divisors is an integer number (55104738).

Almost surely, 2^165314211 is an apocalyptic number.

165314211 is a deficient number, since it is larger than the sum of its proper divisors (55104741).

165314211 is an equidigital number, since it uses as much as digits as its factorization.

165314211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55104740.

The product of its digits is 720, while the sum is 24.

The square root of 165314211 is about 12857.4574080570. The cubic root of 165314211 is about 548.8285933754.

Adding to 165314211 its reverse (112413561), we get a palindrome (277727772).

It can be divided in two parts, 165 and 314211, that multiplied together give a palindrome (51844815).

The spelling of 165314211 in words is "one hundred sixty-five million, three hundred fourteen thousand, two hundred eleven".