198266879000 has 32 divisors (see below), whose sum is σ = 463944499200. Its totient is φ = 79306751200.

The previous prime is 198266878961. The next prime is 198266879003. The reversal of 198266879000 is 978662891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198266879003) 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, 99132440 + ... + 99134439.

It is an arithmetic number, because the mean of its divisors is an integer number (14498265600).

Almost surely, 2^198266879000 is an apocalyptic number.

198266879000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198266879000 is an abundant number, since it is smaller than the sum of its proper divisors (265677620200).

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

198266879000 is a wasteful number, since it uses less digits than its factorization.

198266879000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198266900 (or 198266886 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 198266879000 in words is "one hundred ninety-eight billion, two hundred sixty-six million, eight hundred seventy-nine thousand".