164366573 has 4 divisors (see below), whose sum is σ = 187847520. Its totient is φ = 140885628.

The previous prime is 164366569. The next prime is 164366593. The reversal of 164366573 is 375663461.

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 164366573 - 2² = 164366569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164366573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164366593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11740463 + ... + 11740476.

It is an arithmetic number, because the mean of its divisors is an integer number (46961880).

Almost surely, 2^164366573 is an apocalyptic number.

It is an amenable number.

164366573 is a deficient number, since it is larger than the sum of its proper divisors (23480947).

164366573 is an equidigital number, since it uses as much as digits as its factorization.

164366573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23480946.

The product of its digits is 272160, while the sum is 41.

The square root of 164366573 is about 12820.5527571942. The cubic root of 164366573 is about 547.7778916353. Note that the first 3 decimals are identical.

The spelling of 164366573 in words is "one hundred sixty-four million, three hundred sixty-six thousand, five hundred seventy-three".