16581116170 has 8 divisors (see below), whose sum is σ = 29846009124. Its totient is φ = 6632446464.

The previous prime is 16581116143. The next prime is 16581116269. The reversal of 16581116170 is 7161118561.

16581116170 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 16304991481 + 276124689 = 127691^2 + 16617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829055799 + ... + 829055818.

Almost surely, 2^16581116170 is an apocalyptic number.

16581116170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16581116170 is a deficient number, since it is larger than the sum of its proper divisors (13264892954).

16581116170 is a wasteful number, since it uses less digits than its factorization.

16581116170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658111624.

The product of its (nonzero) digits is 10080, while the sum is 37.

The spelling of 16581116170 in words is "sixteen billion, five hundred eighty-one million, one hundred sixteen thousand, one hundred seventy".