55600611666 has 8 divisors (see below), whose sum is σ = 111201223344. Its totient is φ = 18533537220.

The previous prime is 55600611653. The next prime is 55600611667. The reversal of 55600611666 is 66611600655.

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

55600611666 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55600611667) 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, 4633384300 + ... + 4633384311.

It is an arithmetic number, because the mean of its divisors is an integer number (13900152918).

Almost surely, 2^55600611666 is an apocalyptic number.

55600611666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55600611666 is a wasteful number, since it uses less digits than its factorization.

55600611666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9266768616.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 55600611666 in words is "fifty-five billion, six hundred million, six hundred eleven thousand, six hundred sixty-six".