3665005216 has 24 divisors (see below), whose sum is σ = 7267397760. Its totient is φ = 1819316928.

The previous prime is 3665005207. The next prime is 3665005217. The reversal of 3665005216 is 6125005663.

It is not an unprimeable number, because it can be changed into a prime (3665005217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407536 + ... + 416431.

It is an arithmetic number, because the mean of its divisors is an integer number (302808240).

Almost surely, 2^3665005216 is an apocalyptic number.

It is an amenable number.

3665005216 is a deficient number, since it is larger than the sum of its proper divisors (3602392544).

3665005216 is a wasteful number, since it uses less digits than its factorization.

3665005216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824116 (or 824108 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 3665005216 is about 60539.2865501403. The cubic root of 3665005216 is about 1541.7887260917.

The spelling of 3665005216 in words is "three billion, six hundred sixty-five million, five thousand, two hundred sixteen".