5668888356 has 120 divisors (see below), whose sum is σ = 15222968376. Its totient is φ = 1838868480.

The previous prime is 5668888349. The next prime is 5668888373. The reversal of 5668888356 is 6538888665.

It can be written as a sum of positive squares in 4 ways, for example, as 61873956 + 5607014400 = 7866^2 + 74880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5668888293 and 5668888302.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1915630 + ... + 1918586.

Almost surely, 2^5668888356 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 5668888356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7611484188).

5668888356 is an abundant number, since it is smaller than the sum of its proper divisors (9554080020).

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

5668888356 is a wasteful number, since it uses less digits than its factorization.

5668888356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131 (or 3120 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 63.

The square root of 5668888356 is about 75292.0205333872. The cubic root of 5668888356 is about 1783.0600433767.

The spelling of 5668888356 in words is "five billion, six hundred sixty-eight million, eight hundred eighty-eight thousand, three hundred fifty-six".