16442244126 has 96 divisors (see below), whose sum is σ = 44556715008. Its totient is φ = 4257126720.

The previous prime is 16442244109. The next prime is 16442244139. The reversal of 16442244126 is 62144224461.

16442244126 is a `hidden beast` number, since 1 + 644 + 2 + 2 + 4 + 4 + 1 + 2 + 6 = 666.

It is a super-3 number, since 3×16442244126³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 420651 + ... + 458073.

It is an arithmetic number, because the mean of its divisors is an integer number (464132448).

Almost surely, 2^16442244126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16442244126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22278357504).

16442244126 is an abundant number, since it is smaller than the sum of its proper divisors (28114470882).

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

16442244126 is a wasteful number, since it uses less digits than its factorization.

16442244126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37766 (or 37763 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

Adding to 16442244126 its reverse (62144224461), we get a palindrome (78586468587).

The spelling of 16442244126 in words is "sixteen billion, four hundred forty-two million, two hundred forty-four thousand, one hundred twenty-six".