211670107162057 has 2 divisors, whose sum is σ = 211670107162058. Its totient is φ = 211670107162056.

The previous prime is 211670107161979. The next prime is 211670107162079. The reversal of 211670107162057 is 750261701076112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211148333531136 + 521773630921 = 14530944^2 + 722339^2 .

It is a cyclic number.

It is not a de Polignac number, because 211670107162057 - 2³⁵ = 211635747423689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211670107161998 and 211670107162016.

It is not a weakly prime, because it can be changed into another prime (211670107166057) 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 as a sum of consecutive naturals, namely, 105835053581028 + 105835053581029.

It is an arithmetic number, because the mean of its divisors is an integer number (105835053581029).

Almost surely, 2^{211670107162057} is an apocalyptic number.

It is an amenable number.

211670107162057 is a deficient number, since it is larger than the sum of its proper divisors (1).

211670107162057 is an equidigital number, since it uses as much as digits as its factorization.

211670107162057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246960, while the sum is 46.

The spelling of 211670107162057 in words is "two hundred eleven trillion, six hundred seventy billion, one hundred seven million, one hundred sixty-two thousand, fifty-seven".