5566645061 has 8 divisors (see below), whose sum is σ = 5863065600. Its totient is φ = 5270568480.

The previous prime is 5566645057. The next prime is 5566645069. The reversal of 5566645061 is 1605466655.

It is a happy number.

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 5566645061 - 2² = 5566645057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566645069) 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, 52421 + ... + 117818.

It is an arithmetic number, because the mean of its divisors is an integer number (732883200).

Almost surely, 2^5566645061 is an apocalyptic number.

It is an amenable number.

5566645061 is a deficient number, since it is larger than the sum of its proper divisors (296420539).

5566645061 is a wasteful number, since it uses less digits than its factorization.

5566645061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171979.

The product of its (nonzero) digits is 648000, while the sum is 44.

The square root of 5566645061 is about 74609.9528280242. The cubic root of 5566645061 is about 1772.2752678754.

The spelling of 5566645061 in words is "five billion, five hundred sixty-six million, six hundred forty-five thousand, sixty-one".