164842117 has 8 divisors (see below), whose sum is σ = 181478880. Its totient is φ = 148480560.

The previous prime is 164842109. The next prime is 164842121. The reversal of 164842117 is 711248461.

It is a happy number.

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 164842117 - 2³ = 164842109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164842417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67543 + ... + 69940.

It is an arithmetic number, because the mean of its divisors is an integer number (22684860).

Almost surely, 2^164842117 is an apocalyptic number.

It is an amenable number.

164842117 is a deficient number, since it is larger than the sum of its proper divisors (16636763).

164842117 is a wasteful number, since it uses less digits than its factorization.

164842117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137603.

The product of its digits is 10752, while the sum is 34.

The square root of 164842117 is about 12839.0855203944. The cubic root of 164842117 is about 548.3056584631.

The spelling of 164842117 in words is "one hundred sixty-four million, eight hundred forty-two thousand, one hundred seventeen".