680066667366 has 16 divisors (see below), whose sum is σ = 1363722081600. Its totient is φ = 226090764648.

The previous prime is 680066667349. The next prime is 680066667403. The reversal of 680066667366 is 663766660086.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149528656 + ... + 149533203.

It is an arithmetic number, because the mean of its divisors is an integer number (85232630100).

Almost surely, 2^680066667366 is an apocalyptic number.

680066667366 is an abundant number, since it is smaller than the sum of its proper divisors (683655414234).

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

680066667366 is a wasteful number, since it uses less digits than its factorization.

680066667366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299062243.

The product of its (nonzero) digits is 47029248, while the sum is 60.

The spelling of 680066667366 in words is "six hundred eighty billion, sixty-six million, six hundred sixty-seven thousand, three hundred sixty-six".