5681660133 has 8 divisors (see below), whose sum is σ = 7751722528. Its totient is φ = 3699685584.

The previous prime is 5681660113. The next prime is 5681660203. The reversal of 5681660133 is 3310661865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5681660133 - 2⁶ = 5681660069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5681660091 and 5681660100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5681660113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22021810 + ... + 22022067.

It is an arithmetic number, because the mean of its divisors is an integer number (968965316).

Almost surely, 2^5681660133 is an apocalyptic number.

It is an amenable number.

5681660133 is a deficient number, since it is larger than the sum of its proper divisors (2070062395).

5681660133 is a wasteful number, since it uses less digits than its factorization.

5681660133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44043923.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 5681660133 is about 75376.7877598933. The cubic root of 5681660133 is about 1784.3980931610.

The spelling of 5681660133 in words is "five billion, six hundred eighty-one million, six hundred sixty thousand, one hundred thirty-three".