686306206096 has 45 divisors (see below), whose sum is σ = 1546867417419. Its totient is φ = 294121289952.

The previous prime is 686306206081. The next prime is 686306206109. The reversal of 686306206096 is 690602603686.

It is a happy number.

The square root of 686306206096 is 828436.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×686306206096² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23181415 + ... + 23211001.

Almost surely, 2^686306206096 is an apocalyptic number.

686306206096 is the 828436-th square number.

It is an amenable number.

686306206096 is an abundant number, since it is smaller than the sum of its proper divisors (860561211323).

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

686306206096 is an frugal number, since it uses more digits than its factorization.

686306206096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59196 (or 29596 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 52.

It can be divided in two parts, 68630 and 6206096, that added together give a palindrome (6274726).

The spelling of 686306206096 in words is "six hundred eighty-six billion, three hundred six million, two hundred six thousand, ninety-six".