16319898 has 96 divisors (see below), whose sum is σ = 45152640. Its totient is φ = 4147200.

The previous prime is 16319873. The next prime is 16319909. The reversal of 16319898 is 89891361.

16319898 is a `hidden beast` number, since 1 + 631 + 9 + 8 + 9 + 8 = 666.

16319898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40498 + ... + 40898.

It is an arithmetic number, because the mean of its divisors is an integer number (470340).

Almost surely, 2^16319898 is an apocalyptic number.

16319898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16319898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22576320).

16319898 is an abundant number, since it is smaller than the sum of its proper divisors (28832742).

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

16319898 is a wasteful number, since it uses less digits than its factorization.

16319898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 449 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 16319898 is about 4039.7893509439. The cubic root of 16319898 is about 253.6524997705.

The spelling of 16319898 in words is "sixteen million, three hundred nineteen thousand, eight hundred ninety-eight".