5661404041 has 8 divisors (see below), whose sum is σ = 5891699520. Its totient is φ = 5433446928.

The previous prime is 5661404011. The next prime is 5661404053. The reversal of 5661404041 is 1404041665.

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

It is a cyclic number.

It is not a de Polignac number, because 5661404041 - 2¹³ = 5661395849 is a prime.

It is a super-2 number, since 2×5661404041² = 64102991430902259362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5661403994 and 5661404012.

It is not an unprimeable number, because it can be changed into a prime (5661404011) 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, 579651 + ... + 589336.

It is an arithmetic number, because the mean of its divisors is an integer number (736462440).

Almost surely, 2^5661404041 is an apocalyptic number.

It is an amenable number.

5661404041 is a deficient number, since it is larger than the sum of its proper divisors (230295479).

5661404041 is a wasteful number, since it uses less digits than its factorization.

5661404041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169183.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 5661404041 is about 75242.3022042787. The cubic root of 5661404041 is about 1782.2750064419.

The spelling of 5661404041 in words is "five billion, six hundred sixty-one million, four hundred four thousand, forty-one".