164411321 has 8 divisors (see below), whose sum is σ = 170668800. Its totient is φ = 158213520.

The previous prime is 164411293. The next prime is 164411327. The reversal of 164411321 is 123114461.

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 164411321 - 2¹⁸ = 164149177 is a prime.

It is a super-3 number, since 3×164411321³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164411327) 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, 9266 + ... + 20363.

It is an arithmetic number, because the mean of its divisors is an integer number (21333600).

Almost surely, 2^164411321 is an apocalyptic number.

It is an amenable number.

164411321 is a deficient number, since it is larger than the sum of its proper divisors (6257479).

164411321 is a wasteful number, since it uses less digits than its factorization.

164411321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29839.

The product of its digits is 576, while the sum is 23.

The square root of 164411321 is about 12822.2978049958. The cubic root of 164411321 is about 547.8275970804.

Adding to 164411321 its reverse (123114461), we get a palindrome (287525782).

The spelling of 164411321 in words is "one hundred sixty-four million, four hundred eleven thousand, three hundred twenty-one".