1717664668 has 24 divisors (see below), whose sum is σ = 3052183680. Its totient is φ = 845706480.

The previous prime is 1717664617. The next prime is 1717664671. The reversal of 1717664668 is 8664667171.

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 7 ways as a sum of consecutive naturals, for example, 62103 + ... + 85393.

It is an arithmetic number, because the mean of its divisors is an integer number (127174320).

Almost surely, 2^1717664668 is an apocalyptic number.

It is an amenable number.

1717664668 is a deficient number, since it is larger than the sum of its proper divisors (1334519012).

1717664668 is a wasteful number, since it uses less digits than its factorization.

1717664668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23577 (or 23575 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 1717664668 is about 41444.7182159561. The cubic root of 1717664668 is about 1197.6027763248.

The spelling of 1717664668 in words is "one billion, seven hundred seventeen million, six hundred sixty-four thousand, six hundred sixty-eight".