3669864665 has 8 divisors (see below), whose sum is σ = 4404730560. Its totient is φ = 2935296432.

The previous prime is 3669864631. The next prime is 3669864673. The reversal of 3669864665 is 5664689663.

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 3669864665 - 2¹⁰ = 3669863641 is a prime.

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, 46325 + ... + 97394.

It is an arithmetic number, because the mean of its divisors is an integer number (550591320).

Almost surely, 2^3669864665 is an apocalyptic number.

It is an amenable number.

3669864665 is a deficient number, since it is larger than the sum of its proper divisors (734865895).

3669864665 is a wasteful number, since it uses less digits than its factorization.

3669864665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148831.

The product of its digits is 33592320, while the sum is 59.

The square root of 3669864665 is about 60579.4079287673. The cubic root of 3669864665 is about 1542.4698469764.

The spelling of 3669864665 in words is "three billion, six hundred sixty-nine million, eight hundred sixty-four thousand, six hundred sixty-five".