16534350200028 has 12 divisors (see below), whose sum is σ = 38580150466760. Its totient is φ = 5511450066672.

The previous prime is 16534350200021. The next prime is 16534350200033. The reversal of 16534350200028 is 82000205343561.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×16534350200028² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16534350200021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688931258323 + ... + 688931258346.

Almost surely, 2^{16534350200028} is an apocalyptic number.

It is an amenable number.

16534350200028 is an abundant number, since it is smaller than the sum of its proper divisors (22045800266732).

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

16534350200028 is a wasteful number, since it uses less digits than its factorization.

16534350200028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377862516676 (or 1377862516674 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 16534350200028 its reverse (82000205343561), we get a palindrome (98534555543589).

The spelling of 16534350200028 in words is "sixteen trillion, five hundred thirty-four billion, three hundred fifty million, two hundred thousand, twenty-eight".