1683668366 has 8 divisors (see below), whose sum is σ = 2529597600. Its totient is φ = 840469168.

The previous prime is 1683668359. The next prime is 1683668377. The reversal of 1683668366 is 6638663861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 680966 + ... + 683433.

It is an arithmetic number, because the mean of its divisors is an integer number (316199700).

Almost surely, 2^1683668366 is an apocalyptic number.

1683668366 is a deficient number, since it is larger than the sum of its proper divisors (845929234).

1683668366 is a wasteful number, since it uses less digits than its factorization.

1683668366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365018.

The product of its digits is 4478976, while the sum is 53.

The square root of 1683668366 is about 41032.5281453629. The cubic root of 1683668366 is about 1189.6490187281.

The spelling of 1683668366 in words is "one billion, six hundred eighty-three million, six hundred sixty-eight thousand, three hundred sixty-six".