685406766614 has 16 divisors (see below), whose sum is σ = 1032720464160. Its totient is φ = 341170047360.

The previous prime is 685406766559. The next prime is 685406766637. The reversal of 685406766614 is 416667604586.

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, 459194 + ... + 1257645.

It is an arithmetic number, because the mean of its divisors is an integer number (64545029010).

Almost surely, 2^685406766614 is an apocalyptic number.

685406766614 is a deficient number, since it is larger than the sum of its proper divisors (347313697546).

685406766614 is a wasteful number, since it uses less digits than its factorization.

685406766614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717735.

The product of its (nonzero) digits is 34836480, while the sum is 59.

The spelling of 685406766614 in words is "six hundred eighty-five billion, four hundred six million, seven hundred sixty-six thousand, six hundred fourteen".