198241651 has 8 divisors (see below), whose sum is σ = 205354800. Its totient is φ = 191147040.

The previous prime is 198241633. The next prime is 198241721. The reversal of 198241651 is 156142891.

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 198241651 - 2⁹ = 198241139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198241651.

It is not an unprimeable number, because it can be changed into a prime (198241151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19305 + ... + 27733.

It is an arithmetic number, because the mean of its divisors is an integer number (25669350).

Almost surely, 2^198241651 is an apocalyptic number.

198241651 is a deficient number, since it is larger than the sum of its proper divisors (7113149).

198241651 is an equidigital number, since it uses as much as digits as its factorization.

198241651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9269.

The product of its digits is 17280, while the sum is 37.

The square root of 198241651 is about 14079.8313555241. The cubic root of 198241651 is about 583.0846859377.

The spelling of 198241651 in words is "one hundred ninety-eight million, two hundred forty-one thousand, six hundred fifty-one".