6380666380606 has 16 divisors (see below), whose sum is σ = 10948712594400. Its totient is φ = 2731964463360.

The previous prime is 6380666380549. The next prime is 6380666380607. The reversal of 6380666380606 is 6060836660836.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6380666380607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217221675 + ... + 217251046.

It is an arithmetic number, because the mean of its divisors is an integer number (684294537150).

Almost surely, 2^{6380666380606} is an apocalyptic number.

6380666380606 is a deficient number, since it is larger than the sum of its proper divisors (4568046213794).

6380666380606 is a wasteful number, since it uses less digits than its factorization.

6380666380606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434473779.

The product of its (nonzero) digits is 26873856, while the sum is 58.

The spelling of 6380666380606 in words is "six trillion, three hundred eighty billion, six hundred sixty-six million, three hundred eighty thousand, six hundred six".