164226823 has 8 divisors (see below), whose sum is σ = 175705520. Its totient is φ = 153031680.

The previous prime is 164226791. The next prime is 164226833. The reversal of 164226823 is 328622461.

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 164226823 - 2⁵ = 164226791 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 (164226833) 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, 69690 + ... + 72007.

It is an arithmetic number, because the mean of its divisors is an integer number (21963190).

Almost surely, 2^164226823 is an apocalyptic number.

164226823 is a deficient number, since it is larger than the sum of its proper divisors (11478697).

164226823 is a wasteful number, since it uses less digits than its factorization.

164226823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141777.

The product of its digits is 27648, while the sum is 34.

The square root of 164226823 is about 12815.1013651863. The cubic root of 164226823 is about 547.6226012075.

The spelling of 164226823 in words is "one hundred sixty-four million, two hundred twenty-six thousand, eight hundred twenty-three".