55160166547957 has 2 divisors, whose sum is σ = 55160166547958. Its totient is φ = 55160166547956.

The previous prime is 55160166547939. The next prime is 55160166547991. The reversal of 55160166547957 is 75974566106155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53196732244881 + 1963434303076 = 7293609^2 + 1401226^2 .

It is a cyclic number.

It is not a de Polignac number, because 55160166547957 - 2³⁹ = 54610410734069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55160166547892 and 55160166547901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55160116547957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27580083273978 + 27580083273979.

It is an arithmetic number, because the mean of its divisors is an integer number (27580083273979).

Almost surely, 2^{55160166547957} is an apocalyptic number.

It is an amenable number.

55160166547957 is a deficient number, since it is larger than the sum of its proper divisors (1).

55160166547957 is an equidigital number, since it uses as much as digits as its factorization.

55160166547957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140000, while the sum is 67.

The spelling of 55160166547957 in words is "fifty-five trillion, one hundred sixty billion, one hundred sixty-six million, five hundred forty-seven thousand, nine hundred fifty-seven".