668383255 has 8 divisors (see below), whose sum is σ = 813047472. Its totient is φ = 527381568.

The previous prime is 668383231. The next prime is 668383267. The reversal of 668383255 is 552383866.

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

It is a cyclic number.

It is not a de Polignac number, because 668383255 - 2⁷ = 668383127 is a prime.

It is a Duffinian number.

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, 915229 + ... + 915958.

It is an arithmetic number, because the mean of its divisors is an integer number (101630934).

Almost surely, 2^668383255 is an apocalyptic number.

668383255 is a deficient number, since it is larger than the sum of its proper divisors (144664217).

668383255 is a wasteful number, since it uses less digits than its factorization.

668383255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831265.

The product of its digits is 1036800, while the sum is 46.

The square root of 668383255 is about 25853.1091940602. The cubic root of 668383255 is about 874.3296111328.

The spelling of 668383255 in words is "six hundred sixty-eight million, three hundred eighty-three thousand, two hundred fifty-five".