6615854984 has 16 divisors (see below), whose sum is σ = 12668659200. Its totient is φ = 3237545872.

The previous prime is 6615854983. The next prime is 6615854989. The reversal of 6615854984 is 4894585166.

It is not an unprimeable number, because it can be changed into a prime (6615854983) 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 3 ways as a sum of consecutive naturals, for example, 8797304 + ... + 8798055.

It is an arithmetic number, because the mean of its divisors is an integer number (791791200).

Almost surely, 2^6615854984 is an apocalyptic number.

It is an amenable number.

6615854984 is a deficient number, since it is larger than the sum of its proper divisors (6052804216).

6615854984 is a wasteful number, since it uses less digits than its factorization.

6615854984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17595412 (or 17595408 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 56.

The square root of 6615854984 is about 81337.9061938528. The cubic root of 6615854984 is about 1877.2782956917.

The spelling of 6615854984 in words is "six billion, six hundred fifteen million, eight hundred fifty-four thousand, nine hundred eighty-four".