5665650560 has 64 divisors (see below), whose sum is σ = 13588199280. Its totient is φ = 2258939904.

The previous prime is 5665650479. The next prime is 5665650607. The reversal of 5665650560 is 650565665.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186179 + ... + 214461.

Almost surely, 2^5665650560 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 5665650560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6794099640).

5665650560 is an abundant number, since it is smaller than the sum of its proper divisors (7922548720).

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

5665650560 is a wasteful number, since it uses less digits than its factorization.

5665650560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28615 (or 28603 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 44.

The square root of 5665650560 is about 75270.5158744113. The cubic root of 5665650560 is about 1782.7205127207.

The spelling of 5665650560 in words is "five billion, six hundred sixty-five million, six hundred fifty thousand, five hundred sixty".