6491634116 has 48 divisors (see below), whose sum is σ = 12516770112. Its totient is φ = 2921443200.

The previous prime is 6491634109. The next prime is 6491634119. The reversal of 6491634116 is 6114361946.

It is not an unprimeable number, because it can be changed into a prime (6491634119) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2119226 + ... + 2122286.

It is an arithmetic number, because the mean of its divisors is an integer number (260766044).

Almost surely, 2^6491634116 is an apocalyptic number.

It is an amenable number.

6491634116 is a deficient number, since it is larger than the sum of its proper divisors (6025135996).

6491634116 is a wasteful number, since it uses less digits than its factorization.

6491634116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540 (or 3538 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 6491634116 is about 80570.6777680317. The cubic root of 6491634116 is about 1865.4545742697.

The spelling of 6491634116 in words is "six billion, four hundred ninety-one million, six hundred thirty-four thousand, one hundred sixteen".