5660664 has 32 divisors (see below), whose sum is σ = 14248320. Its totient is φ = 1874016.

The previous prime is 5660663. The next prime is 5660717. The reversal of 5660664 is 4660665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5660663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3189 + ... + 4635.

It is an arithmetic number, because the mean of its divisors is an integer number (445260).

Almost surely, 2^5660664 is an apocalyptic number.

It is an amenable number.

5660664 is an abundant number, since it is smaller than the sum of its proper divisors (8587656).

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

5660664 is a wasteful number, since it uses less digits than its factorization.

5660664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1615 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 5660664 is about 2379.2149965903. The cubic root of 5660664 is about 178.2197345256.

Subtracting from 5660664 its reverse (4660665), we obtain a palindrome (999999).

The spelling of 5660664 in words is "five million, six hundred sixty thousand, six hundred sixty-four".