5598766656 has 588 divisors, whose sum is σ = 20255301120. Its totient is φ = 1528450560.

The previous prime is 5598766643. The next prime is 5598766741. The reversal of 5598766656 is 6566678955.

It is a tau number, because it is divible by the number of its divisors (588).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 5598766593 and 5598766602.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 70870425 + ... + 70870503.

Almost surely, 2^5598766656 is an apocalyptic number.

5598766656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5598766656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10127650560).

5598766656 is an abundant number, since it is smaller than the sum of its proper divisors (14656534464).

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

5598766656 is an equidigital number, since it uses as much as digits as its factorization.

5598766656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 122 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 63.

The square root of 5598766656 is about 74824.9066554713. The cubic root of 5598766656 is about 1775.6776259284.

The spelling of 5598766656 in words is "five billion, five hundred ninety-eight million, seven hundred sixty-six thousand, six hundred fifty-six".