5668376661 has 24 divisors (see below), whose sum is σ = 8318666304. Its totient is φ = 3718653120.

The previous prime is 5668376639. The next prime is 5668376663. The reversal of 5668376661 is 1666738665.

It is not a de Polignac number, because 5668376661 - 2⁹ = 5668376149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5668376598 and 5668376607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5668376663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341425 + ... + 357641.

It is an arithmetic number, because the mean of its divisors is an integer number (346611096).

Almost surely, 2^5668376661 is an apocalyptic number.

It is an amenable number.

5668376661 is a deficient number, since it is larger than the sum of its proper divisors (2650289643).

5668376661 is a wasteful number, since it uses less digits than its factorization.

5668376661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16841 (or 16838 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 5668376661 is about 75288.6223874498. The cubic root of 5668376661 is about 1783.0063932132.

The spelling of 5668376661 in words is "five billion, six hundred sixty-eight million, three hundred seventy-six thousand, six hundred sixty-one".