55106666660001 has 16 divisors (see below), whose sum is σ = 80217626353920. Its totient is φ = 33371948607120.

The previous prime is 55106666659897. The next prime is 55106666660051. The reversal of 55106666660001 is 10006666660155.

It is not a de Polignac number, because 55106666660001 - 2⁹ = 55106666659489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55106666660051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650736691 + ... + 650821368.

It is an arithmetic number, because the mean of its divisors is an integer number (5013601647120).

Almost surely, 2^{55106666660001} is an apocalyptic number.

It is an amenable number.

55106666660001 is a deficient number, since it is larger than the sum of its proper divisors (25110959693919).

55106666660001 is a wasteful number, since it uses less digits than its factorization.

55106666660001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301559356.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 55106666660001 in words is "fifty-five trillion, one hundred six billion, six hundred sixty-six million, six hundred sixty thousand, one".