164221014 has 16 divisors (see below), whose sum is σ = 328582080. Its totient is φ = 54717000.

The previous prime is 164220983. The next prime is 164221027. The reversal of 164221014 is 410122461.

It is a happy number.

It is a Curzon number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 15297 + ... + 23715.

It is an arithmetic number, because the mean of its divisors is an integer number (20536380).

Almost surely, 2^164221014 is an apocalyptic number.

164221014 is an abundant number, since it is smaller than the sum of its proper divisors (164361066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164221014 is a wasteful number, since it uses less digits than its factorization.

164221014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11675.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 164221014 is about 12814.8747165160. The cubic root of 164221014 is about 547.6161443305.

Adding to 164221014 its reverse (410122461), we get a palindrome (574343475).

The spelling of 164221014 in words is "one hundred sixty-four million, two hundred twenty-one thousand, fourteen".