668095668 has 48 divisors (see below), whose sum is σ = 1760512320. Its totient is φ = 219045600.

The previous prime is 668095639. The next prime is 668095669. The reversal of 668095668 is 866590866.

668095668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668095669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44118 + ... + 57293.

It is an arithmetic number, because the mean of its divisors is an integer number (36677340).

Almost surely, 2^668095668 is an apocalyptic number.

It is an amenable number.

668095668 is an abundant number, since it is smaller than the sum of its proper divisors (1092416652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

668095668 is a wasteful number, since it uses less digits than its factorization.

668095668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101485 (or 101477 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The square root of 668095668 is about 25847.5466534060. The cubic root of 668095668 is about 874.2041931184.

The spelling of 668095668 in words is "six hundred sixty-eight million, ninety-five thousand, six hundred sixty-eight".