164220333 has 8 divisors (see below), whose sum is σ = 219108000. Its totient is φ = 109406448.

The previous prime is 164220313. The next prime is 164220377. The reversal of 164220333 is 333022461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164220333 - 2⁶ = 164220269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164220313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13023 + ... + 22316.

It is an arithmetic number, because the mean of its divisors is an integer number (27388500).

Almost surely, 2^164220333 is an apocalyptic number.

It is an amenable number.

164220333 is a deficient number, since it is larger than the sum of its proper divisors (54887667).

164220333 is a wasteful number, since it uses less digits than its factorization.

164220333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36891.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 164220333 is about 12814.8481458034. The cubic root of 164220333 is about 547.6153873687.

Adding to 164220333 its reverse (333022461), we get a palindrome (497242794).

The spelling of 164220333 in words is "one hundred sixty-four million, two hundred twenty thousand, three hundred thirty-three".