676668616138608 has 40 divisors (see below), whose sum is σ = 1748082635998608. Its totient is φ = 225553360952832.

The previous prime is 676668616138589. The next prime is 676668616138621. The reversal of 676668616138608 is 806831616866676.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85040685 + ... + 92656652.

Almost surely, 2^{676668616138608} is an apocalyptic number.

It is an amenable number.

676668616138608 is an abundant number, since it is smaller than the sum of its proper divisors (1071414019860000).

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

676668616138608 is a wasteful number, since it uses less digits than its factorization.

676668616138608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177776681 (or 177776675 counting only the distinct ones).

The product of its (nonzero) digits is 3009871872, while the sum is 78.

The spelling of 676668616138608 in words is "six hundred seventy-six trillion, six hundred sixty-eight billion, six hundred sixteen million, one hundred thirty-eight thousand, six hundred eight".