16530731160085 has 4 divisors (see below), whose sum is σ = 19836877392108. Its totient is φ = 13224584928064.

The previous prime is 16530731160077. The next prime is 16530731160101. The reversal of 16530731160085 is 58006113703561.

16530731160085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7163422072849 + 9367309087236 = 2676457^2 + 3060606^2 .

It is a cyclic number.

It is not a de Polignac number, because 16530731160085 - 2³ = 16530731160077 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1653073116004 + ... + 1653073116013.

It is an arithmetic number, because the mean of its divisors is an integer number (4959219348027).

Almost surely, 2^{16530731160085} is an apocalyptic number.

It is an amenable number.

16530731160085 is a deficient number, since it is larger than the sum of its proper divisors (3306146232023).

16530731160085 is an equidigital number, since it uses as much as digits as its factorization.

16530731160085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306146232022.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 16530731160085 in words is "sixteen trillion, five hundred thirty billion, seven hundred thirty-one million, one hundred sixty thousand, eighty-five".