55660165666210 has 64 divisors (see below), whose sum is σ = 123710469523200. Its totient is φ = 17960927389440.

The previous prime is 55660165666201. The next prime is 55660165666223. The reversal of 55660165666210 is 1266656106655.

55660165666210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477219736 + ... + 477336355.

It is an arithmetic number, because the mean of its divisors is an integer number (1932976086300).

Almost surely, 2^{55660165666210} is an apocalyptic number.

55660165666210 is an abundant number, since it is smaller than the sum of its proper divisors (68050303856990).

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

55660165666210 is a wasteful number, since it uses less digits than its factorization.

55660165666210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954556136 (or 954556122 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 55.

The spelling of 55660165666210 in words is "fifty-five trillion, six hundred sixty billion, one hundred sixty-five million, six hundred sixty-six thousand, two hundred ten".