6284068666 has 16 divisors (see below), whose sum is σ = 9982049256. Its totient is φ = 2956773376.

The previous prime is 6284068627. The next prime is 6284068697. The reversal of 6284068666 is 6668604826.

It can be written as a sum of positive squares in 4 ways, for example, as 6025019641 + 259049025 = 77621^2 + 16095^2 .

It is an unprimeable number.

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, 436170 + ... + 450346.

Almost surely, 2^6284068666 is an apocalyptic number.

6284068666 is a deficient number, since it is larger than the sum of its proper divisors (3697980590).

6284068666 is a wasteful number, since it uses less digits than its factorization.

6284068666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27233.

The product of its (nonzero) digits is 3981312, while the sum is 52.

The square root of 6284068666 is about 79272.1178347091. The cubic root of 6284068666 is about 1845.3566206694.

The spelling of 6284068666 in words is "six billion, two hundred eighty-four million, sixty-eight thousand, six hundred sixty-six".