163198000 has 80 divisors (see below), whose sum is σ = 451024704. Its totient is φ = 55948800.

The previous prime is 163197989. The next prime is 163198001. The reversal of 163198000 is 891361.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 163198000.

It is not an unprimeable number, because it can be changed into a prime (163198001) 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, 8172 + ... + 19828.

Almost surely, 2^163198000 is an apocalyptic number.

163198000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163198000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225512352).

163198000 is an abundant number, since it is smaller than the sum of its proper divisors (287826704).

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

163198000 is a wasteful number, since it uses less digits than its factorization.

163198000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11687 (or 11671 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 163198000 is about 12774.8972598608. The cubic root of 163198000 is about 546.4766508614.

The spelling of 163198000 in words is "one hundred sixty-three million, one hundred ninety-eight thousand".