3315605665 has 8 divisors (see below), whose sum is σ = 3998721600. Its totient is φ = 2639154672.

The previous prime is 3315605639. The next prime is 3315605669. The reversal of 3315605665 is 5665065133.

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 3315605665 - 2⁷ = 3315605537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3315605669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1665139 + ... + 1667128.

It is an arithmetic number, because the mean of its divisors is an integer number (499840200).

Almost surely, 2^3315605665 is an apocalyptic number.

It is an amenable number.

3315605665 is a deficient number, since it is larger than the sum of its proper divisors (683115935).

3315605665 is a wasteful number, since it uses less digits than its factorization.

3315605665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332471.

The product of its (nonzero) digits is 243000, while the sum is 40.

The square root of 3315605665 is about 57581.2961385900. The cubic root of 3315605665 is about 1491.1487117916.

The spelling of 3315605665 in words is "three billion, three hundred fifteen million, six hundred five thousand, six hundred sixty-five".