6682049555221 has 8 divisors (see below), whose sum is σ = 6683269433120. Its totient is φ = 6680829809808.

The previous prime is 6682049555191. The next prime is 6682049555267. The reversal of 6682049555221 is 1225559402866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6682049555221 - 2¹¹ = 6682049553173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6682049555821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167748535 + ... + 167788363.

It is an arithmetic number, because the mean of its divisors is an integer number (835408679140).

Almost surely, 2^{6682049555221} is an apocalyptic number.

It is an amenable number.

6682049555221 is a deficient number, since it is larger than the sum of its proper divisors (1219877899).

6682049555221 is a wasteful number, since it uses less digits than its factorization.

6682049555221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66243.

The product of its (nonzero) digits is 10368000, while the sum is 55.

The spelling of 6682049555221 in words is "six trillion, six hundred eighty-two billion, forty-nine million, five hundred fifty-five thousand, two hundred twenty-one".