36668686663 has 8 divisors (see below), whose sum is σ = 44112705920. Its totient is φ = 29776076280.

The previous prime is 36668686661. The next prime is 36668686727.

36668686663 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 36668686663 - 2¹ = 36668686661 is a prime.

It is a super-3 number, since 3×36668686663³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36668686595 and 36668686604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36668686661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137852073 + ... + 137852338.

It is an arithmetic number, because the mean of its divisors is an integer number (5514088240).

Almost surely, 2^36668686663 is an apocalyptic number.

36668686663 is a deficient number, since it is larger than the sum of its proper divisors (7444019257).

36668686663 is a wasteful number, since it uses less digits than its factorization.

36668686663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275704437.

The product of its digits is 161243136, while the sum is 64.

The spelling of 36668686663 in words is "thirty-six billion, six hundred sixty-eight million, six hundred eighty-six thousand, six hundred sixty-three".