5663604664 has 16 divisors (see below), whose sum is σ = 11178167400. Its totient is φ = 2682760032.

The previous prime is 5663604643. The next prime is 5663604673. The reversal of 5663604664 is 4664063665.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 18630127 + ... + 18630430.

Almost surely, 2^5663604664 is an apocalyptic number.

It is an amenable number.

5663604664 is a deficient number, since it is larger than the sum of its proper divisors (5514562736).

5663604664 is a wasteful number, since it uses less digits than its factorization.

5663604664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37260582 (or 37260578 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 46.

The square root of 5663604664 is about 75256.9243591578. The cubic root of 5663604664 is about 1782.5059036580.

The spelling of 5663604664 in words is "five billion, six hundred sixty-three million, six hundred four thousand, six hundred sixty-four".