198663283 has 16 divisors (see below), whose sum is σ = 252399616. Its totient is φ = 152111520.

The previous prime is 198663281. The next prime is 198663293. The reversal of 198663283 is 382366891.

It is a cyclic number.

It is not a de Polignac number, because 198663283 - 2¹ = 198663281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198663281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32391 + ... + 38032.

It is an arithmetic number, because the mean of its divisors is an integer number (15774976).

Almost surely, 2^198663283 is an apocalyptic number.

198663283 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

198663283 is a deficient number, since it is larger than the sum of its proper divisors (53736333).

198663283 is a wasteful number, since it uses less digits than its factorization.

198663283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70474.

The product of its digits is 373248, while the sum is 46.

The square root of 198663283 is about 14094.7963092767. The cubic root of 198663283 is about 583.4977728154.

The spelling of 198663283 in words is "one hundred ninety-eight million, six hundred sixty-three thousand, two hundred eighty-three".