36688685612 has 12 divisors (see below), whose sum is σ = 66996730416. Its totient is φ = 17546762640.

The previous prime is 36688685591. The next prime is 36688685623. The reversal of 36688685612 is 21658688663.

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, 199394939 + ... + 199395122.

It is an arithmetic number, because the mean of its divisors is an integer number (5583060868).

Almost surely, 2^36688685612 is an apocalyptic number.

It is an amenable number.

36688685612 is a deficient number, since it is larger than the sum of its proper divisors (30308044804).

36688685612 is a wasteful number, since it uses less digits than its factorization.

36688685612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398790088 (or 398790086 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 59.

The spelling of 36688685612 in words is "thirty-six billion, six hundred eighty-eight million, six hundred eighty-five thousand, six hundred twelve".