16198280 has 128 divisors (see below), whose sum is σ = 45722880. Its totient is φ = 5038080.

The previous prime is 16198277. The next prime is 16198283. The reversal of 16198280 is 8289161.

16198280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16198277) and next prime (16198283).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 16198280.

It is not an unprimeable number, because it can be changed into a prime (16198283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195119 + ... + 195201.

It is an arithmetic number, because the mean of its divisors is an integer number (357210).

Almost surely, 2^16198280 is an apocalyptic number.

16198280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16198280 is the 2324-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16198280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22861440).

16198280 is an abundant number, since it is smaller than the sum of its proper divisors (29524600).

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

16198280 is a wasteful number, since it uses less digits than its factorization.

16198280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 16198280 is about 4024.7086851100. The cubic root of 16198280 is about 253.0208443095.

The spelling of 16198280 in words is "sixteen million, one hundred ninety-eight thousand, two hundred eighty".