3681706585318 has 8 divisors (see below), whose sum is σ = 5524119493200. Its totient is φ = 1840333420920.

The previous prime is 3681706585307. The next prime is 3681706585327. The reversal of 3681706585318 is 8135856071863.

It is a happy number.

3681706585318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×3681706585318³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259927018 + ... + 259941181.

It is an arithmetic number, because the mean of its divisors is an integer number (690514936650).

Almost surely, 2^{3681706585318} is an apocalyptic number.

3681706585318 is a deficient number, since it is larger than the sum of its proper divisors (1842412907882).

3681706585318 is a wasteful number, since it uses less digits than its factorization.

3681706585318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519871742.

The product of its (nonzero) digits is 29030400, while the sum is 61.

The spelling of 3681706585318 in words is "three trillion, six hundred eighty-one billion, seven hundred six million, five hundred eighty-five thousand, three hundred eighteen".