680831255266 has 8 divisors (see below), whose sum is σ = 1021252207104. Its totient is φ = 340413852900.

The previous prime is 680831255243. The next prime is 680831255287. The reversal of 680831255266 is 662552138086.

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

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 3 ways as a sum of consecutive naturals, for example, 340410 + ... + 1215541.

It is an arithmetic number, because the mean of its divisors is an integer number (127656525888).

Almost surely, 2^680831255266 is an apocalyptic number.

680831255266 is a deficient number, since it is larger than the sum of its proper divisors (340420951838).

680831255266 is a wasteful number, since it uses less digits than its factorization.

680831255266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774736.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 680831255266 in words is "six hundred eighty billion, eight hundred thirty-one million, two hundred fifty-five thousand, two hundred sixty-six".