249168193 has 8 divisors (see below), whose sum is σ = 255790080. Its totient is φ = 242572320.

The previous prime is 249168191. The next prime is 249168209. The reversal of 249168193 is 391861942.

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 249168193 - 2¹ = 249168191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249168191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13728 + ... + 26206.

It is an arithmetic number, because the mean of its divisors is an integer number (31973760).

Almost surely, 2^249168193 is an apocalyptic number.

It is an amenable number.

249168193 is a deficient number, since it is larger than the sum of its proper divisors (6621887).

249168193 is a wasteful number, since it uses less digits than its factorization.

249168193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13007.

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

The square root of 249168193 is about 15785.0623375392. The cubic root of 249168193 is about 629.2610745301.

The spelling of 249168193 in words is "two hundred forty-nine million, one hundred sixty-eight thousand, one hundred ninety-three".