6681363 has 8 divisors (see below), whose sum is σ = 9593808. Its totient is φ = 4111584.

The previous prime is 6681361. The next prime is 6681377. The reversal of 6681363 is 3631866.

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

It is not a de Polignac number, because 6681363 - 2¹ = 6681361 is a prime.

It is a super-2 number, since 2×6681363² = 89281223075538, which contains 22 as substring.

6681363 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6681361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85620 + ... + 85697.

It is an arithmetic number, because the mean of its divisors is an integer number (1199226).

Almost surely, 2^6681363 is an apocalyptic number.

6681363 is a deficient number, since it is larger than the sum of its proper divisors (2912445).

6681363 is a wasteful number, since it uses less digits than its factorization.

6681363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171333.

The product of its digits is 15552, while the sum is 33.

The square root of 6681363 is about 2584.8332634814. The cubic root of 6681363 is about 188.3454020685.

The spelling of 6681363 in words is "six million, six hundred eighty-one thousand, three hundred sixty-three".