5600561066 has 4 divisors (see below), whose sum is σ = 8400841602. Its totient is φ = 2800280532.

The previous prime is 5600561053. The next prime is 5600561081. The reversal of 5600561066 is 6601650065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3893136025 + 1707425041 = 62395^2 + 41321^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400140265 + ... + 1400140268.

Almost surely, 2^5600561066 is an apocalyptic number.

5600561066 is a deficient number, since it is larger than the sum of its proper divisors (2800280536).

5600561066 is a wasteful number, since it uses less digits than its factorization.

5600561066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800280535.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 5600561066 is about 74836.8964214845. The cubic root of 5600561066 is about 1775.8673077840.

The spelling of 5600561066 in words is "five billion, six hundred million, five hundred sixty-one thousand, sixty-six".