166834229717 has 8 divisors (see below), whose sum is σ = 172690591800. Its totient is φ = 160984764864.

The previous prime is 166834229699. The next prime is 166834229729. The reversal of 166834229717 is 717922438661.

It can be written as a sum of positive squares in 4 ways, for example, as 36766528516 + 130067701201 = 191746^2 + 360649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166834229717 - 2¹⁴ = 166834213333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166834229767) 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 7 ways as a sum of consecutive naturals, for example, 1675058 + ... + 1771859.

It is an arithmetic number, because the mean of its divisors is an integer number (21586323975).

Almost surely, 2^166834229717 is an apocalyptic number.

It is an amenable number.

166834229717 is a deficient number, since it is larger than the sum of its proper divisors (5856362083).

166834229717 is a wasteful number, since it uses less digits than its factorization.

166834229717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448615.

The product of its digits is 6096384, while the sum is 56.

The spelling of 166834229717 in words is "one hundred sixty-six billion, eight hundred thirty-four million, two hundred twenty-nine thousand, seven hundred seventeen".