1716686668 has 24 divisors (see below), whose sum is σ = 3110007600. Its totient is φ = 828155328.

The previous prime is 1716686641. The next prime is 1716686693. The reversal of 1716686668 is 8666866171.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189171 + ... + 198037.

It is an arithmetic number, because the mean of its divisors is an integer number (129583650).

Almost surely, 2^1716686668 is an apocalyptic number.

It is an amenable number.

1716686668 is a deficient number, since it is larger than the sum of its proper divisors (1393320932).

1716686668 is a wasteful number, since it uses less digits than its factorization.

1716686668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10569 (or 10567 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The square root of 1716686668 is about 41432.9176863035. The cubic root of 1716686668 is about 1197.3754370575.

The spelling of 1716686668 in words is "one billion, seven hundred sixteen million, six hundred eighty-six thousand, six hundred sixty-eight".