36683686668 has 12 divisors (see below), whose sum is σ = 85595268920. Its totient is φ = 12227895552.

The previous prime is 36683686649. The next prime is 36683686679. The reversal of 36683686668 is 86668638663.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 36683686599 and 36683686608.

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, 1528486933 + ... + 1528486956.

Almost surely, 2^36683686668 is an apocalyptic number.

It is an amenable number.

36683686668 is an abundant number, since it is smaller than the sum of its proper divisors (48911582252).

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

36683686668 is a wasteful number, since it uses less digits than its factorization.

36683686668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056973896 (or 3056973894 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 66.

The spelling of 36683686668 in words is "thirty-six billion, six hundred eighty-three million, six hundred eighty-six thousand, six hundred sixty-eight".