164686105 has 16 divisors (see below), whose sum is σ = 207857664. Its totient is φ = 125087040.

The previous prime is 164686097. The next prime is 164686111. The reversal of 164686105 is 501686461.

It is not a de Polignac number, because 164686105 - 2³ = 164686097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1809 + ... + 18238.

It is an arithmetic number, because the mean of its divisors is an integer number (12991104).

Almost surely, 2^164686105 is an apocalyptic number.

It is an amenable number.

164686105 is a deficient number, since it is larger than the sum of its proper divisors (43171559).

164686105 is a wasteful number, since it uses less digits than its factorization.

164686105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20136.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 164686105 is about 12833.0084158002. The cubic root of 164686105 is about 548.1326256953.

The spelling of 164686105 in words is "one hundred sixty-four million, six hundred eighty-six thousand, one hundred five".