3666700036687 has 4 divisors (see below), whose sum is σ = 3726809873416. Its totient is φ = 3606590199960.

The previous prime is 3666700036669. The next prime is 3666700036693. The reversal of 3666700036687 is 7866300076663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3666700036687 - 2²³ = 3666691648079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666700036697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30054918273 + ... + 30054918394.

It is an arithmetic number, because the mean of its divisors is an integer number (931702468354).

Almost surely, 2^{3666700036687} is an apocalyptic number.

3666700036687 is a deficient number, since it is larger than the sum of its proper divisors (60109836729).

3666700036687 is an equidigital number, since it uses as much as digits as its factorization.

3666700036687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60109836728.

The product of its (nonzero) digits is 27433728, while the sum is 58.

The spelling of 3666700036687 in words is "three trillion, six hundred sixty-six billion, seven hundred million, thirty-six thousand, six hundred eighty-seven".