16326198252 has 144 divisors (see below), whose sum is σ = 50841161280. Its totient is φ = 4301697024.

The previous prime is 16326198167. The next prime is 16326198253. The reversal of 16326198252 is 25289162361.

16326198252 is a `hidden beast` number, since 1 + 6 + 3 + 2 + 619 + 8 + 25 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16326198198 and 16326198207.

It is not an unprimeable number, because it can be changed into a prime (16326198253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5086024 + ... + 5089232.

It is an arithmetic number, because the mean of its divisors is an integer number (353063620).

Almost surely, 2^16326198252 is an apocalyptic number.

16326198252 is a gapful number since it is divisible by the number (12) 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 16326198252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25420580640).

16326198252 is an abundant number, since it is smaller than the sum of its proper divisors (34514963028).

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

16326198252 is a wasteful number, since it uses less digits than its factorization.

16326198252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4792 (or 4787 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The spelling of 16326198252 in words is "sixteen billion, three hundred twenty-six million, one hundred ninety-eight thousand, two hundred fifty-two".