6680049984 has 42 divisors (see below), whose sum is σ = 19147158810. Its totient is φ = 2226683136.

The previous prime is 6680049983. The next prime is 6680049997. The reversal of 6680049984 is 4899400866.

It can be written as a sum of positive squares in only one way, i.e., 6670315584 + 9734400 = 81672^2 + 3120^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6680049984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6680049983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5798079 + ... + 5799230.

Almost surely, 2^6680049984 is an apocalyptic number.

6680049984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6680049984 is an abundant number, since it is smaller than the sum of its proper divisors (12467108826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6680049984 is a wasteful number, since it uses less digits than its factorization.

6680049984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11597327 (or 11597314 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 6680049984 is about 81731.5727488466. The cubic root of 6680049984 is about 1883.3306343206.

The spelling of 6680049984 in words is "six billion, six hundred eighty million, forty-nine thousand, nine hundred eighty-four".