198183453 has 8 divisors (see below), whose sum is σ = 284571168. Its totient is φ = 121959024.

The previous prime is 198183413. The next prime is 198183457. The reversal of 198183453 is 354381891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 198183453 - 2⁶ = 198183389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198183457) 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, 2540775 + ... + 2540852.

It is an arithmetic number, because the mean of its divisors is an integer number (35571396).

Almost surely, 2^198183453 is an apocalyptic number.

198183453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

198183453 is a deficient number, since it is larger than the sum of its proper divisors (86387715).

198183453 is a wasteful number, since it uses less digits than its factorization.

198183453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081643.

The product of its digits is 103680, while the sum is 42.

The square root of 198183453 is about 14077.7644887248. The cubic root of 198183453 is about 583.0276214348.

The spelling of 198183453 in words is "one hundred ninety-eight million, one hundred eighty-three thousand, four hundred fifty-three".