1668683367 has 12 divisors (see below), whose sum is σ = 2595729864. Its totient is φ = 1026882000.

The previous prime is 1668683363. The next prime is 1668683389. The reversal of 1668683367 is 7633868661.

It is not a de Polignac number, because 1668683367 - 2² = 1668683363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1668683363) 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, 7131009 + ... + 7131242.

It is an arithmetic number, because the mean of its divisors is an integer number (216310822).

Almost surely, 2^1668683367 is an apocalyptic number.

1668683367 is a deficient number, since it is larger than the sum of its proper divisors (927046497).

1668683367 is a wasteful number, since it uses less digits than its factorization.

1668683367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14262270 (or 14262267 counting only the distinct ones).

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

The square root of 1668683367 is about 40849.5210131037. The cubic root of 1668683367 is about 1186.1091212715.

It can be divided in two parts, 1668 and 683367, that added together give a triangular number (685035 = T₁₁₇₀).

The spelling of 1668683367 in words is "one billion, six hundred sixty-eight million, six hundred eighty-three thousand, three hundred sixty-seven".