3665328215 has 8 divisors (see below), whose sum is σ = 4399496640. Its totient is φ = 2931527392.

The previous prime is 3665328193. The next prime is 3665328217. The reversal of 3665328215 is 5128235663.

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 3665328215 - 2¹⁸ = 3665066071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665328217) 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, 69464 + ... + 110253.

It is an arithmetic number, because the mean of its divisors is an integer number (549937080).

Almost surely, 2^3665328215 is an apocalyptic number.

3665328215 is a deficient number, since it is larger than the sum of its proper divisors (734168425).

3665328215 is a wasteful number, since it uses less digits than its factorization.

3665328215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183801.

The product of its digits is 259200, while the sum is 41.

The square root of 3665328215 is about 60541.9541722928. The cubic root of 3665328215 is about 1541.8340176678.

The spelling of 3665328215 in words is "three billion, six hundred sixty-five million, three hundred twenty-eight thousand, two hundred fifteen".