55660566665016 has 24 divisors (see below), whose sum is σ = 150747368051280. Its totient is φ = 18553522221648.

The previous prime is 55660566664993. The next prime is 55660566665023. The reversal of 55660566665016 is 61056666506655.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 386531712880 + ... + 386531713023.

It is an arithmetic number, because the mean of its divisors is an integer number (6281140335470).

Almost surely, 2^{55660566665016} is an apocalyptic number.

It is an amenable number.

55660566665016 is an abundant number, since it is smaller than the sum of its proper divisors (95086801386264).

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

55660566665016 is a wasteful number, since it uses less digits than its factorization.

55660566665016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773063425915 (or 773063425908 counting only the distinct ones).

The product of its (nonzero) digits is 174960000, while the sum is 63.

The spelling of 55660566665016 in words is "fifty-five trillion, six hundred sixty billion, five hundred sixty-six million, six hundred sixty-five thousand, sixteen".