648068068 has 12 divisors (see below), whose sum is σ = 1140456240. Its totient is φ = 322223432.

The previous prime is 648068041. The next prime is 648068081. The reversal of 648068068 is 860860846.

648068068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×648068068² = 839984441522505248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451846 + ... + 453277.

It is an arithmetic number, because the mean of its divisors is an integer number (95038020).

Almost surely, 2^648068068 is an apocalyptic number.

It is an amenable number.

648068068 is a deficient number, since it is larger than the sum of its proper divisors (492388172).

648068068 is a wasteful number, since it uses less digits than its factorization.

648068068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905306 (or 905304 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 648068068 is about 25457.1810693957. The cubic root of 648068068 is about 865.3800408284.

The spelling of 648068068 in words is "six hundred forty-eight million, sixty-eight thousand, sixty-eight".