164267389 has 16 divisors (see below), whose sum is σ = 195168960. Its totient is φ = 136287360.

The previous prime is 164267377. The next prime is 164267393. The reversal of 164267389 is 983762461.

It is not a de Polignac number, because 164267389 - 2¹¹ = 164265341 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 (164267359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6274 + ... + 19180.

It is an arithmetic number, because the mean of its divisors is an integer number (12198060).

Almost surely, 2^164267389 is an apocalyptic number.

It is an amenable number.

164267389 is a deficient number, since it is larger than the sum of its proper divisors (30901571).

164267389 is a wasteful number, since it uses less digits than its factorization.

164267389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13020.

The product of its digits is 435456, while the sum is 46.

The square root of 164267389 is about 12816.6840095245. The cubic root of 164267389 is about 547.6676872846.

The spelling of 164267389 in words is "one hundred sixty-four million, two hundred sixty-seven thousand, three hundred eighty-nine".