163830249 has 24 divisors (see below), whose sum is σ = 266787360. Its totient is φ = 99289080.

The previous prime is 163830229. The next prime is 163830263. The reversal of 163830249 is 942038361.

It is not a de Polignac number, because 163830249 - 2⁹ = 163829737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163830229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21807 + ... + 28340.

It is an arithmetic number, because the mean of its divisors is an integer number (11116140).

Almost surely, 2^163830249 is an apocalyptic number.

It is an amenable number.

163830249 is a deficient number, since it is larger than the sum of its proper divisors (102957111).

163830249 is a wasteful number, since it uses less digits than its factorization.

163830249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50178 (or 50161 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 163830249 is about 12799.6190958950. The cubic root of 163830249 is about 547.1814472684.

The spelling of 163830249 in words is "one hundred sixty-three million, eight hundred thirty thousand, two hundred forty-nine".