5661444122 has 8 divisors (see below), whose sum is σ = 8618915136. Its totient is φ = 2788472412.

The previous prime is 5661444109. The next prime is 5661444133. The reversal of 5661444122 is 2214441665.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21124658 + ... + 21124925.

It is an arithmetic number, because the mean of its divisors is an integer number (1077364392).

Almost surely, 2^5661444122 is an apocalyptic number.

5661444122 is a deficient number, since it is larger than the sum of its proper divisors (2957471014).

5661444122 is a wasteful number, since it uses less digits than its factorization.

5661444122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42249652.

The product of its digits is 46080, while the sum is 35.

The square root of 5661444122 is about 75242.5685499904. The cubic root of 5661444122 is about 1782.2792124183.

Adding to 5661444122 its reverse (2214441665), we get a palindrome (7875885787).

The spelling of 5661444122 in words is "five billion, six hundred sixty-one million, four hundred forty-four thousand, one hundred twenty-two".