5661660111006 has 64 divisors (see below), whose sum is σ = 11790926337600. Its totient is φ = 1810712641536.

The previous prime is 5661660110993. The next prime is 5661660111007. The reversal of 5661660111006 is 6001110661665.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661660111007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92165230 + ... + 92226638.

It is an arithmetic number, because the mean of its divisors is an integer number (184233224025).

Almost surely, 2^{5661660111006} is an apocalyptic number.

5661660111006 is an abundant number, since it is smaller than the sum of its proper divisors (6129266226594).

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

5661660111006 is a wasteful number, since it uses less digits than its factorization.

5661660111006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67213.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 5661660111006 in words is "five trillion, six hundred sixty-one billion, six hundred sixty million, one hundred eleven thousand, six".