986616616689 has 12 divisors (see below), whose sum is σ = 1554668608272. Its totient is φ = 597949464600.

The previous prime is 986616616603. The next prime is 986616616691.

986616616689 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 986616616689 - 2¹⁵ = 986616583921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (986616616889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4982912107 + ... + 4982912304.

It is an arithmetic number, because the mean of its divisors is an integer number (129555717356).

Almost surely, 2^986616616689 is an apocalyptic number.

986616616689 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

986616616689 is a deficient number, since it is larger than the sum of its proper divisors (568051991583).

986616616689 is a wasteful number, since it uses less digits than its factorization.

986616616689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9965824428 (or 9965824425 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 72.

The spelling of 986616616689 in words is "nine hundred eighty-six billion, six hundred sixteen million, six hundred sixteen thousand, six hundred eighty-nine".