5660442161 has 4 divisors (see below), whose sum is σ = 6175027824. Its totient is φ = 5145856500.

The previous prime is 5660442149. The next prime is 5660442181. The reversal of 5660442161 is 1612440665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5660442161 - 2¹⁸ = 5660180017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5660442181) 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 3 ways as a sum of consecutive naturals, for example, 257292815 + ... + 257292836.

It is an arithmetic number, because the mean of its divisors is an integer number (1543756956).

Almost surely, 2^5660442161 is an apocalyptic number.

It is an amenable number.

5660442161 is a deficient number, since it is larger than the sum of its proper divisors (514585663).

5660442161 is a wasteful number, since it uses less digits than its factorization.

5660442161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514585662.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 5660442161 is about 75235.9100496565. The cubic root of 5660442161 is about 1782.1740637682.

The spelling of 5660442161 in words is "five billion, six hundred sixty million, four hundred forty-two thousand, one hundred sixty-one".