6489687116 has 24 divisors (see below), whose sum is σ = 12391530816. Its totient is φ = 2949351120.

The previous prime is 6489687097. The next prime is 6489687163. The reversal of 6489687116 is 6117869846.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390815 + ... + 407081.

It is an arithmetic number, because the mean of its divisors is an integer number (516313784).

Almost surely, 2^6489687116 is an apocalyptic number.

It is an amenable number.

6489687116 is a deficient number, since it is larger than the sum of its proper divisors (5901843700).

6489687116 is a wasteful number, since it uses less digits than its factorization.

6489687116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25349 (or 25347 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 56.

The square root of 6489687116 is about 80558.5943025324. The cubic root of 6489687116 is about 1865.2680571224.

The spelling of 6489687116 in words is "six billion, four hundred eighty-nine million, six hundred eighty-seven thousand, one hundred sixteen".