163249189 has 8 divisors (see below), whose sum is σ = 167431680. Its totient is φ = 159096336.

The previous prime is 163249183. The next prime is 163249211. The reversal of 163249189 is 981942361.

It is a happy number.

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 163249189 - 2⁷ = 163249061 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 (163249183) 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, 3967 + ... + 18499.

It is an arithmetic number, because the mean of its divisors is an integer number (20928960).

Almost surely, 2^163249189 is an apocalyptic number.

It is an amenable number.

163249189 is a deficient number, since it is larger than the sum of its proper divisors (4182491).

163249189 is a wasteful number, since it uses less digits than its factorization.

163249189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14819.

The product of its digits is 93312, while the sum is 43.

The square root of 163249189 is about 12776.9006022587. The cubic root of 163249189 is about 546.5337811960.

The spelling of 163249189 in words is "one hundred sixty-three million, two hundred forty-nine thousand, one hundred eighty-nine".