1803066198 has 16 divisors (see below), whose sum is σ = 3607119216. Its totient is φ = 600857600.

The previous prime is 1803066193. The next prime is 1803066211. The reversal of 1803066198 is 8916603081.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1803066193) 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, 16203 + ... + 62198.

It is an arithmetic number, because the mean of its divisors is an integer number (225444951).

Almost surely, 2^1803066198 is an apocalyptic number.

1803066198 is an abundant number, since it is smaller than the sum of its proper divisors (1804053018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1803066198 is a wasteful number, since it uses less digits than its factorization.

1803066198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82239.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 1803066198 is about 42462.5269855669. The cubic root of 1803066198 is about 1217.1307197183.

The spelling of 1803066198 in words is "one billion, eight hundred three million, sixty-six thousand, one hundred ninety-eight".