16004457126 has 72 divisors (see below), whose sum is σ = 42091633584. Its totient is φ = 4373883360.

The previous prime is 16004457107. The next prime is 16004457127. The reversal of 16004457126 is 62175440061.

16004457126 is a `hidden beast` number, since 1 + 60 + 0 + 4 + 4 + 571 + 26 = 666.

It is a super-2 number, since 2×16004457126² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16004457127) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 374185 + ... + 414756.

It is an arithmetic number, because the mean of its divisors is an integer number (584606022).

Almost surely, 2^16004457126 is an apocalyptic number.

16004457126 is an abundant number, since it is smaller than the sum of its proper divisors (26087176458).

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

16004457126 is a wasteful number, since it uses less digits than its factorization.

16004457126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788986 (or 788976 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 16004457126 its reverse (62175440061), we get a palindrome (78179897187).

The spelling of 16004457126 in words is "sixteen billion, four million, four hundred fifty-seven thousand, one hundred twenty-six".