3664822660685 has 16 divisors (see below), whose sum is σ = 4402726707456. Its totient is φ = 2928566906688.

The previous prime is 3664822660661. The next prime is 3664822660687. The reversal of 3664822660685 is 5860662284663.

It is a cyclic number.

It is not a de Polignac number, because 3664822660685 - 2¹⁶ = 3664822595149 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 (3664822660687) 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 15 ways as a sum of consecutive naturals, for example, 16566827 + ... + 16786583.

It is an arithmetic number, because the mean of its divisors is an integer number (275170419216).

Almost surely, 2^{3664822660685} is an apocalyptic number.

It is an amenable number.

3664822660685 is a deficient number, since it is larger than the sum of its proper divisors (737904046771).

3664822660685 is a wasteful number, since it uses less digits than its factorization.

3664822660685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223492.

The product of its (nonzero) digits is 119439360, while the sum is 62.

The spelling of 3664822660685 in words is "three trillion, six hundred sixty-four billion, eight hundred twenty-two million, six hundred sixty thousand, six hundred eighty-five".