6883405383666 has 64 divisors (see below), whose sum is σ = 16418711144448. Its totient is φ = 1881047570688.

The previous prime is 6883405383661. The next prime is 6883405383703. The reversal of 6883405383666 is 6663835043886.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6883405383597 and 6883405383606.

It is not an unprimeable number, because it can be changed into a prime (6883405383661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13994181 + ... + 14477703.

It is an arithmetic number, because the mean of its divisors is an integer number (256542361632).

Almost surely, 2^{6883405383666} is an apocalyptic number.

6883405383666 is an abundant number, since it is smaller than the sum of its proper divisors (9535305760782).

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

6883405383666 is a wasteful number, since it uses less digits than its factorization.

6883405383666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498295.

The product of its (nonzero) digits is 358318080, while the sum is 66.

The spelling of 6883405383666 in words is "six trillion, eight hundred eighty-three billion, four hundred five million, three hundred eighty-three thousand, six hundred sixty-six".