164225413 has 4 divisors (see below), whose sum is σ = 179155008. Its totient is φ = 149295820.

The previous prime is 164225407. The next prime is 164225443. The reversal of 164225413 is 314522461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164225413 - 2⁹ = 164224901 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 (164225443) 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 3 ways as a sum of consecutive naturals, for example, 7464781 + ... + 7464802.

It is an arithmetic number, because the mean of its divisors is an integer number (44788752).

Almost surely, 2^164225413 is an apocalyptic number.

It is an amenable number.

164225413 is a deficient number, since it is larger than the sum of its proper divisors (14929595).

164225413 is a wasteful number, since it uses less digits than its factorization.

164225413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14929594.

The product of its digits is 5760, while the sum is 28.

The square root of 164225413 is about 12815.0463518475. The cubic root of 164225413 is about 547.6210339644.

Adding to 164225413 its reverse (314522461), we get a palindrome (478747874).

The spelling of 164225413 in words is "one hundred sixty-four million, two hundred twenty-five thousand, four hundred thirteen".