16453800000 has 672 divisors, whose sum is σ = 66194513280. Its totient is φ = 3974400000.

The previous prime is 16453799933. The next prime is 16453800001. The reversal of 16453800000 is 835461.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (16453800001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 59399862 + ... + 59400138.

It is an arithmetic number, because the mean of its divisors is an integer number (98503740).

Almost surely, 2^16453800000 is an apocalyptic number.

16453800000 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 16453800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33097256640).

16453800000 is an abundant number, since it is smaller than the sum of its proper divisors (49740713280).

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

16453800000 is an equidigital number, since it uses as much as digits as its factorization.

16453800000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 16453800000 in words is "sixteen billion, four hundred fifty-three million, eight hundred thousand".