16030005505506 has 24 divisors (see below), whose sum is σ = 34875793453644. Its totient is φ = 5321163651840.

The previous prime is 16030005505477. The next prime is 16030005505523. The reversal of 16030005505506 is 60550550003061.

It can be written as a sum of positive squares in 2 ways, for example, as 16029285388281 + 720117225 = 4003659^2 + 26835^2 .

It is a super-2 number, since 2×16030005505506² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1847621931 + ... + 1847630606.

Almost surely, 2^{16030005505506} is an apocalyptic number.

16030005505506 is an abundant number, since it is smaller than the sum of its proper divisors (18845787948138).

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

16030005505506 is a wasteful number, since it uses less digits than its factorization.

16030005505506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695252786 (or 3695252783 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

Adding to 16030005505506 its reverse (60550550003061), we get a palindrome (76580555508567).

The spelling of 16030005505506 in words is "sixteen trillion, thirty billion, five million, five hundred five thousand, five hundred six".