5665565561146 has 8 divisors (see below), whose sum is σ = 8501030064180. Its totient is φ = 2831888873088.

The previous prime is 5665565561141. The next prime is 5665565561167. The reversal of 5665565561146 is 6411655655665.

It can be written as a sum of positive squares in 2 ways, for example, as 5428969900225 + 236595660921 = 2330015^2 + 486411^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5665565561141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446945821 + ... + 446958496.

Almost surely, 2^{5665565561146} is an apocalyptic number.

5665565561146 is a deficient number, since it is larger than the sum of its proper divisors (2835464503034).

5665565561146 is a wasteful number, since it uses less digits than its factorization.

5665565561146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893907488.

The product of its digits is 97200000, while the sum is 61.

The spelling of 5665565561146 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-five million, five hundred sixty-one thousand, one hundred forty-six".