5571868668 has 24 divisors (see below), whose sum is σ = 13221384960. Its totient is φ = 1825809840.

The previous prime is 5571868583. The next prime is 5571868691. The reversal of 5571868668 is 8668681755.

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, 3934228 + ... + 3935643.

It is an arithmetic number, because the mean of its divisors is an integer number (550891040).

Almost surely, 2^5571868668 is an apocalyptic number.

It is an amenable number.

5571868668 is an abundant number, since it is smaller than the sum of its proper divisors (7649516292).

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

5571868668 is a wasteful number, since it uses less digits than its factorization.

5571868668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7869937 (or 7869935 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 60.

The square root of 5571868668 is about 74644.9507200588. The cubic root of 5571868668 is about 1772.8294481867.

The spelling of 5571868668 in words is "five billion, five hundred seventy-one million, eight hundred sixty-eight thousand, six hundred sixty-eight".