3655359664 has 60 divisors (see below), whose sum is σ = 7802629072. Its totient is φ = 1657687680.

The previous prime is 3655359661. The next prime is 3655359683. The reversal of 3655359664 is 4669535563.

It is not an unprimeable number, because it can be changed into a prime (3655359661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 940894 + ... + 944770.

Almost surely, 2^3655359664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3655359664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3901314536).

3655359664 is an abundant number, since it is smaller than the sum of its proper divisors (4147269408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3655359664 is a wasteful number, since it uses less digits than its factorization.

3655359664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394 (or 4377 counting only the distinct ones).

The product of its digits is 8748000, while the sum is 52.

The square root of 3655359664 is about 60459.5704913622. The cubic root of 3655359664 is about 1540.4349791676.

The spelling of 3655359664 in words is "three billion, six hundred fifty-five million, three hundred fifty-nine thousand, six hundred sixty-four".