6680249068 has 6 divisors (see below), whose sum is σ = 11690435876. Its totient is φ = 3340124532.

The previous prime is 6680249063. The next prime is 6680249071. The reversal of 6680249068 is 8609420866.

It is a super-2 number, since 2×6680249068² = 89251455221029737248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6680249063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835031130 + ... + 835031137.

Almost surely, 2^6680249068 is an apocalyptic number.

It is an amenable number.

6680249068 is a deficient number, since it is larger than the sum of its proper divisors (5010186808).

6680249068 is a wasteful number, since it uses less digits than its factorization.

6680249068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670062271 (or 1670062269 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 6680249068 is about 81732.7906534458. The cubic root of 6680249068 is about 1883.3493436253.

The spelling of 6680249068 in words is "six billion, six hundred eighty million, two hundred forty-nine thousand, sixty-eight".