164980189 has 8 divisors (see below), whose sum is σ = 190565568. Its totient is φ = 141159360.

The previous prime is 164980177. The next prime is 164980201. The reversal of 164980189 is 981089461.

It is an interprime number because it is at equal distance from previous prime (164980177) and next prime (164980201).

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

It is a cyclic number.

It is not a de Polignac number, because 164980189 - 2⁵ = 164980157 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 (164980129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440937 + ... + 441310.

It is an arithmetic number, because the mean of its divisors is an integer number (23820696).

Almost surely, 2^164980189 is an apocalyptic number.

It is an amenable number.

164980189 is a deficient number, since it is larger than the sum of its proper divisors (25585379).

164980189 is a wasteful number, since it uses less digits than its factorization.

164980189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882275.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 164980189 is about 12844.4614133875. The cubic root of 164980189 is about 548.4587029500.

The spelling of 164980189 in words is "one hundred sixty-four million, nine hundred eighty thousand, one hundred eighty-nine".