5660660664 has 48 divisors (see below), whose sum is σ = 15410428800. Its totient is φ = 1877105664.

The previous prime is 5660660651. The next prime is 5660660699. The reversal of 5660660664 is 4660660665.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 189784 + ... + 217575.

It is an arithmetic number, because the mean of its divisors is an integer number (321050600).

Almost surely, 2^5660660664 is an apocalyptic number.

It is an amenable number.

5660660664 is an abundant number, since it is smaller than the sum of its proper divisors (9749768136).

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

5660660664 is a wasteful number, since it uses less digits than its factorization.

5660660664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407564 (or 407557 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The square root of 5660660664 is about 75237.3621547167. The cubic root of 5660660664 is about 1782.1969951552.

Subtracting from 5660660664 its reverse (4660660665), we obtain a palindrome (999999999).

The spelling of 5660660664 in words is "five billion, six hundred sixty million, six hundred sixty thousand, six hundred sixty-four".