16021450516005 has 48 divisors (see below), whose sum is σ = 30295552996800. Its totient is φ = 7767861504000.

The previous prime is 16021450515971. The next prime is 16021450516009. The reversal of 16021450516005 is 50061505412061.

16021450516005 is a `hidden beast` number, since 1 + 6 + 0 + 2 + 1 + 45 + 0 + 5 + 1 + 600 + 5 = 666.

16021450516005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16021450516005 - 2²⁴ = 16021433738789 is a prime.

It is a super-2 number, since 2×16021450516005² (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 (16021450516009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40342405 + ... + 40737605.

It is an arithmetic number, because the mean of its divisors is an integer number (631157354100).

Almost surely, 2^{16021450516005} is an apocalyptic number.

16021450516005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16021450516005 is a deficient number, since it is larger than the sum of its proper divisors (14274102480795).

16021450516005 is a wasteful number, since it uses less digits than its factorization.

16021450516005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477122 (or 477119 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 16021450516005 its reverse (50061505412061), we get a palindrome (66082955928066).

The spelling of 16021450516005 in words is "sixteen trillion, twenty-one billion, four hundred fifty million, five hundred sixteen thousand, five".