164144823 has 8 divisors (see below), whose sum is σ = 219032448. Its totient is φ = 109343544.

The previous prime is 164144797. The next prime is 164144837. The reversal of 164144823 is 328441461.

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

It is not a de Polignac number, because 164144823 - 2⁶ = 164144759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164144863) 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, 17011 + ... + 24852.

It is an arithmetic number, because the mean of its divisors is an integer number (27379056).

Almost surely, 2^164144823 is an apocalyptic number.

164144823 is a deficient number, since it is larger than the sum of its proper divisors (54887625).

164144823 is a wasteful number, since it uses less digits than its factorization.

164144823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43173.

The product of its digits is 18432, while the sum is 33.

The square root of 164144823 is about 12811.9016152951. The cubic root of 164144823 is about 547.5314416588.

It can be divided in two parts, 1641 and 44823, that added together give a palindrome (46464).

The spelling of 164144823 in words is "one hundred sixty-four million, one hundred forty-four thousand, eight hundred twenty-three".