55100660665163 has 2 divisors, whose sum is σ = 55100660665164. Its totient is φ = 55100660665162.

The previous prime is 55100660665159. The next prime is 55100660665187. The reversal of 55100660665163 is 36156606600155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55100660665163 - 2² = 55100660665159 is a prime.

It is not a weakly prime, because it can be changed into another prime (55100660665103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27550330332581 + 27550330332582.

It is an arithmetic number, because the mean of its divisors is an integer number (27550330332582).

Almost surely, 2^{55100660665163} is an apocalyptic number.

55100660665163 is a deficient number, since it is larger than the sum of its proper divisors (1).

55100660665163 is an equidigital number, since it uses as much as digits as its factorization.

55100660665163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916000, while the sum is 50.

The spelling of 55100660665163 in words is "fifty-five trillion, one hundred billion, six hundred sixty million, six hundred sixty-five thousand, one hundred sixty-three".