165216126 has 8 divisors (see below), whose sum is σ = 330432264. Its totient is φ = 55072040.

The previous prime is 165216119. The next prime is 165216131. The reversal of 165216126 is 621612561.

It is a sphenic number, since it is the product of 3 distinct primes.

165216126 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 165216093 and 165216102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13768005 + ... + 13768016.

It is an arithmetic number, because the mean of its divisors is an integer number (41304033).

Almost surely, 2^165216126 is an apocalyptic number.

165216126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165216126 is a wasteful number, since it uses less digits than its factorization.

165216126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27536026.

The product of its digits is 4320, while the sum is 30.

The square root of 165216126 is about 12853.6425187571. The cubic root of 165216126 is about 548.7200273859.

Adding to 165216126 its reverse (621612561), we get a palindrome (786828687).

The spelling of 165216126 in words is "one hundred sixty-five million, two hundred sixteen thousand, one hundred twenty-six".