163052189 has 4 divisors (see below), whose sum is σ = 163145724. Its totient is φ = 162958656.

The previous prime is 163052179. The next prime is 163052191. The reversal of 163052189 is 981250361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125328025 + 37724164 = 11195^2 + 6142^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163052189 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163052159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44102 + ... + 47655.

It is an arithmetic number, because the mean of its divisors is an integer number (40786431).

Almost surely, 2^163052189 is an apocalyptic number.

It is an amenable number.

163052189 is a deficient number, since it is larger than the sum of its proper divisors (93535).

163052189 is an equidigital number, since it uses as much as digits as its factorization.

163052189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93534.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 163052189 is about 12769.1890502099. The cubic root of 163052189 is about 546.3138505621.

The spelling of 163052189 in words is "one hundred sixty-three million, fifty-two thousand, one hundred eighty-nine".