5661111068 has 24 divisors (see below), whose sum is σ = 9935291520. Its totient is φ = 2822470640.

The previous prime is 5661111067. The next prime is 5661111073. The reversal of 5661111068 is 8601111665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661111067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3602723 + ... + 3604293.

It is an arithmetic number, because the mean of its divisors is an integer number (413970480).

Almost surely, 2^5661111068 is an apocalyptic number.

It is an amenable number.

5661111068 is a deficient number, since it is larger than the sum of its proper divisors (4274180452).

5661111068 is a wasteful number, since it uses less digits than its factorization.

5661111068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577 (or 3575 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 5661111068 is about 75240.3553154821. The cubic root of 5661111068 is about 1782.2442621566.

The spelling of 5661111068 in words is "five billion, six hundred sixty-one million, one hundred eleven thousand, sixty-eight".