5656596660 has 768 divisors, whose sum is σ = 22759833600. Its totient is φ = 1144627200.

The previous prime is 5656596641. The next prime is 5656596679. The reversal of 5656596660 is 666956565.

It is an interprime number because it is at equal distance from previous prime (5656596641) and next prime (5656596679).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 5656596597 and 5656596606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 40694871 + ... + 40695009.

It is an arithmetic number, because the mean of its divisors is an integer number (29635200).

Almost surely, 2^5656596660 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 5656596660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11379916800).

5656596660 is an abundant number, since it is smaller than the sum of its proper divisors (17103236940).

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

5656596660 is a wasteful number, since it uses less digits than its factorization.

5656596660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 54.

The square root of 5656596660 is about 75210.3494208078. The cubic root of 5656596660 is about 1781.7703906682.

The spelling of 5656596660 in words is "five billion, six hundred fifty-six million, five hundred ninety-six thousand, six hundred sixty".