198245570 has 16 divisors (see below), whose sum is σ = 357041088. Its totient is φ = 79254000.

The previous prime is 198245569. The next prime is 198245581. The reversal of 198245570 is 75542891.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18107 + ... + 26913.

It is an arithmetic number, because the mean of its divisors is an integer number (22315068).

Almost surely, 2^198245570 is an apocalyptic number.

198245570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198245570 is a deficient number, since it is larger than the sum of its proper divisors (158795518).

198245570 is a wasteful number, since it uses less digits than its factorization.

198245570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11065.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 198245570 is about 14079.9705255373. The cubic root of 198245570 is about 583.0885282077.

The spelling of 198245570 in words is "one hundred ninety-eight million, two hundred forty-five thousand, five hundred seventy".