5606656720 has 80 divisors (see below), whose sum is σ = 15150280320. Its totient is φ = 1889690112.

The previous prime is 5606656687. The next prime is 5606656733. The reversal of 5606656720 is 276566065.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×5606656720³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51807 + ... + 117886.

It is an arithmetic number, because the mean of its divisors is an integer number (189378504).

Almost surely, 2^5606656720 is an apocalyptic number.

It is an amenable number.

5606656720 is an abundant number, since it is smaller than the sum of its proper divisors (9543623600).

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

5606656720 is a wasteful number, since it uses less digits than its factorization.

5606656720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169772 (or 169766 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 5606656720 is about 74877.6116072087. The cubic root of 5606656720 is about 1776.5113591904.

The spelling of 5606656720 in words is "five billion, six hundred six million, six hundred fifty-six thousand, seven hundred twenty".