3668885005 has 8 divisors (see below), whose sum is σ = 4661642232. Its totient is φ = 2762454528.

The previous prime is 3668884981. The next prime is 3668885053. The reversal of 3668885005 is 5005888663.

It can be written as a sum of positive squares in 4 ways, for example, as 1174981284 + 2493903721 = 34278^2 + 49939^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3668885005 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3668885005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21581592 + ... + 21581761.

It is an arithmetic number, because the mean of its divisors is an integer number (582705279).

Almost surely, 2^3668885005 is an apocalyptic number.

It is an amenable number.

3668885005 is a deficient number, since it is larger than the sum of its proper divisors (992757227).

3668885005 is a wasteful number, since it uses less digits than its factorization.

3668885005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43163375.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The square root of 3668885005 is about 60571.3216382142. The cubic root of 3668885005 is about 1542.3325821062.

The spelling of 3668885005 in words is "three billion, six hundred sixty-eight million, eight hundred eighty-five thousand, five".