1686683367 has 12 divisors (see below), whose sum is σ = 2476260904. Its totient is φ = 1106021520.

The previous prime is 1686683363. The next prime is 1686683377. The reversal of 1686683367 is 7633866861.

It is not a de Polignac number, because 1686683367 - 2² = 1686683363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1686683363) 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 11 ways as a sum of consecutive naturals, for example, 1535593 + ... + 1536690.

Almost surely, 2^1686683367 is an apocalyptic number.

1686683367 is a deficient number, since it is larger than the sum of its proper divisors (789577537).

1686683367 is a wasteful number, since it uses less digits than its factorization.

1686683367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072350 (or 3072347 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The square root of 1686683367 is about 41069.2508697200. The cubic root of 1686683367 is about 1190.3587099762.

The spelling of 1686683367 in words is "one billion, six hundred eighty-six million, six hundred eighty-three thousand, three hundred sixty-seven".