3665006005 has 8 divisors (see below), whose sum is σ = 4432637952. Its totient is φ = 2908917648.

The previous prime is 3665005991. The next prime is 3665006011. The reversal of 3665006005 is 5006005663.

It is a happy number.

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 3665006005 - 2¹⁷ = 3664874933 is a prime.

It is a Duffinian number.

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, 2885197 + ... + 2886466.

It is an arithmetic number, because the mean of its divisors is an integer number (554079744).

Almost surely, 2^3665006005 is an apocalyptic number.

It is an amenable number.

3665006005 is a deficient number, since it is larger than the sum of its proper divisors (767631947).

3665006005 is a wasteful number, since it uses less digits than its factorization.

3665006005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5771795.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 3665006005 is about 60539.2930665696. The cubic root of 3665006005 is about 1541.7888367301.

The spelling of 3665006005 in words is "three billion, six hundred sixty-five million, six thousand, five".