1306676668 has 24 divisors (see below), whose sum is σ = 2496130560. Its totient is φ = 593571120.

The previous prime is 1306676663. The next prime is 1306676677. The reversal of 1306676668 is 8666766031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306676663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68955 + ... + 85837.

It is an arithmetic number, because the mean of its divisors is an integer number (104005440).

Almost surely, 2^1306676668 is an apocalyptic number.

It is an amenable number.

1306676668 is a deficient number, since it is larger than the sum of its proper divisors (1189453892).

1306676668 is a wasteful number, since it uses less digits than its factorization.

1306676668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18657 (or 18655 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 1306676668 is about 36147.9829036144. The cubic root of 1306676668 is about 1093.2581211481.

The spelling of 1306676668 in words is "one billion, three hundred six million, six hundred seventy-six thousand, six hundred sixty-eight".