16506615115016 has 16 divisors (see below), whose sum is σ = 33330665136300. Its totient is φ = 7618437745344.

The previous prime is 16506615114959. The next prime is 16506615115021. The reversal of 16506615115016 is 61051151660561.

16506615115016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16502200044100 + 4415070916 = 4062290^2 + 66446^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79358726411 + ... + 79358726618.

Almost surely, 2^{16506615115016} is an apocalyptic number.

It is an amenable number.

16506615115016 is an abundant number, since it is smaller than the sum of its proper divisors (16824050021284).

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

16506615115016 is a wasteful number, since it uses less digits than its factorization.

16506615115016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158717453048 (or 158717453044 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 44.

Adding to 16506615115016 its reverse (61051151660561), we get a palindrome (77557766775577).

The spelling of 16506615115016 in words is "sixteen trillion, five hundred six billion, six hundred fifteen million, one hundred fifteen thousand, sixteen".