174106405861 has 2 divisors, whose sum is σ = 174106405862. Its totient is φ = 174106405860.

The previous prime is 174106405853. The next prime is 174106405883. The reversal of 174106405861 is 168504601471.

174106405861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146788596900 + 27317808961 = 383130^2 + 165281^2 .

It is a cyclic number.

It is not a de Polignac number, because 174106405861 - 2³ = 174106405853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (174106405831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87053202930 + 87053202931.

It is an arithmetic number, because the mean of its divisors is an integer number (87053202931).

Almost surely, 2^174106405861 is an apocalyptic number.

It is an amenable number.

174106405861 is a deficient number, since it is larger than the sum of its proper divisors (1).

174106405861 is an equidigital number, since it uses as much as digits as its factorization.

174106405861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 174106405861 in words is "one hundred seventy-four billion, one hundred six million, four hundred five thousand, eight hundred sixty-one".