16105122 has 64 divisors (see below), whose sum is σ = 41126400. Its totient is φ = 4620240.

The previous prime is 16105109. The next prime is 16105139. The reversal of 16105122 is 22150161.

16105122 is a `hidden beast` number, since 1 + 610 + 51 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 16105095 and 16105104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10573 + ... + 11999.

It is an arithmetic number, because the mean of its divisors is an integer number (642600).

Almost surely, 2^16105122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16105122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20563200).

16105122 is an abundant number, since it is smaller than the sum of its proper divisors (25021278).

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

16105122 is a wasteful number, since it uses less digits than its factorization.

16105122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 16105122 is about 4013.1187373413. The cubic root of 16105122 is about 252.5348617029.

Adding to 16105122 its reverse (22150161), we get a palindrome (38255283).

The spelling of 16105122 in words is "sixteen million, one hundred five thousand, one hundred twenty-two".