164366673 has 4 divisors (see below), whose sum is σ = 219155568. Its totient is φ = 109577780.

The previous prime is 164366651. The next prime is 164366677. The reversal of 164366673 is 376663461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164366673 - 2⁵ = 164366641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164366677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27394443 + ... + 27394448.

It is an arithmetic number, because the mean of its divisors is an integer number (54788892).

Almost surely, 2^164366673 is an apocalyptic number.

It is an amenable number.

164366673 is a deficient number, since it is larger than the sum of its proper divisors (54788895).

164366673 is an equidigital number, since it uses as much as digits as its factorization.

164366673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54788894.

The product of its digits is 326592, while the sum is 42.

The square root of 164366673 is about 12820.5566571815. The cubic root of 164366673 is about 547.7780027239.

The spelling of 164366673 in words is "one hundred sixty-four million, three hundred sixty-six thousand, six hundred seventy-three".