164386273 has 8 divisors (see below), whose sum is σ = 170163200. Its totient is φ = 158639040.

The previous prime is 164386253. The next prime is 164386289. The reversal of 164386273 is 372683461.

164386273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164386273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164386253) 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, 4153 + ... + 18601.

It is an arithmetic number, because the mean of its divisors is an integer number (21270400).

Almost surely, 2^164386273 is an apocalyptic number.

It is an amenable number.

164386273 is a deficient number, since it is larger than the sum of its proper divisors (5776927).

164386273 is a wasteful number, since it uses less digits than its factorization.

164386273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14847.

The product of its digits is 145152, while the sum is 40.

The square root of 164386273 is about 12821.3210317814. The cubic root of 164386273 is about 547.7997752279.

The spelling of 164386273 in words is "one hundred sixty-four million, three hundred eighty-six thousand, two hundred seventy-three".