6668286028 has 6 divisors (see below), whose sum is σ = 11669500556. Its totient is φ = 3334143012.

The previous prime is 6668285977. The next prime is 6668286029. The reversal of 6668286028 is 8206828666.

It is not an unprimeable number, because it can be changed into a prime (6668286029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 833535750 + ... + 833535757.

Almost surely, 2^6668286028 is an apocalyptic number.

It is an amenable number.

6668286028 is a deficient number, since it is larger than the sum of its proper divisors (5001214528).

6668286028 is a wasteful number, since it uses less digits than its factorization.

6668286028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667071511 (or 1667071509 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 52.

The square root of 6668286028 is about 81659.5740130941. The cubic root of 6668286028 is about 1882.2244331610.

The spelling of 6668286028 in words is "six billion, six hundred sixty-eight million, two hundred eighty-six thousand, twenty-eight".