766518668 has 6 divisors (see below), whose sum is σ = 1341407676. Its totient is φ = 383259332.

The previous prime is 766518667. The next prime is 766518671. The reversal of 766518668 is 866815667.

It is not an unprimeable number, because it can be changed into a prime (766518667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95814830 + ... + 95814837.

It is an arithmetic number, because the mean of its divisors is an integer number (223567946).

Almost surely, 2^766518668 is an apocalyptic number.

It is an amenable number.

766518668 is a deficient number, since it is larger than the sum of its proper divisors (574889008).

766518668 is a wasteful number, since it uses less digits than its factorization.

766518668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191629671 (or 191629669 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 766518668 is about 27686.0735388751. The cubic root of 766518668 is about 915.1822297228.

The spelling of 766518668 in words is "seven hundred sixty-six million, five hundred eighteen thousand, six hundred sixty-eight".