3665511365 has 8 divisors (see below), whose sum is σ = 4399982880. Its totient is φ = 2931496272.

The previous prime is 3665511359. The next prime is 3665511373. The reversal of 3665511365 is 5631155663.

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 3665511365 - 2¹⁰ = 3665510341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96179 + ... + 128768.

It is an arithmetic number, because the mean of its divisors is an integer number (549997860).

Almost surely, 2^3665511365 is an apocalyptic number.

It is an amenable number.

3665511365 is a deficient number, since it is larger than the sum of its proper divisors (734471515).

3665511365 is a wasteful number, since it uses less digits than its factorization.

3665511365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228211.

The product of its digits is 243000, while the sum is 41.

The square root of 3665511365 is about 60543.4667408466. The cubic root of 3665511365 is about 1541.8596981508.

The spelling of 3665511365 in words is "three billion, six hundred sixty-five million, five hundred eleven thousand, three hundred sixty-five".