164616330223 has 4 divisors (see below), whose sum is σ = 164678149008. Its totient is φ = 164554511440.

The previous prime is 164616330211. The next prime is 164616330289. The reversal of 164616330223 is 322033616461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164616330223 is a prime.

It is a super-3 number, since 3×164616330223³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164616330623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30905398 + ... + 30910723.

It is an arithmetic number, because the mean of its divisors is an integer number (41169537252).

Almost surely, 2^164616330223 is an apocalyptic number.

164616330223 is a deficient number, since it is larger than the sum of its proper divisors (61818785).

164616330223 is an equidigital number, since it uses as much as digits as its factorization.

164616330223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61818784.

The product of its (nonzero) digits is 93312, while the sum is 37.

Adding to 164616330223 its reverse (322033616461), we get a palindrome (486649946684).

The spelling of 164616330223 in words is "one hundred sixty-four billion, six hundred sixteen million, three hundred thirty thousand, two hundred twenty-three".