181198241 has 8 divisors (see below), whose sum is σ = 207752064. Its totient is φ = 154811520.

The previous prime is 181198169. The next prime is 181198249. The reversal of 181198241 is 142891181.

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 181198241 - 2¹⁴ = 181181857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (181198249) 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, 39440 + ... + 43793.

It is an arithmetic number, because the mean of its divisors is an integer number (25969008).

Almost surely, 2^181198241 is an apocalyptic number.

It is an amenable number.

181198241 is a deficient number, since it is larger than the sum of its proper divisors (26553823).

181198241 is an equidigital number, since it uses as much as digits as its factorization.

181198241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83551.

The product of its digits is 4608, while the sum is 35.

The square root of 181198241 is about 13460.9895995800. The cubic root of 181198241 is about 565.8717229806.

The spelling of 181198241 in words is "one hundred eighty-one million, one hundred ninety-eight thousand, two hundred forty-one".