16543441152 has 648 divisors, whose sum is σ = 59614813440. Its totient is φ = 4389396480.

The previous prime is 16543441111. The next prime is 16543441153. The reversal of 16543441152 is 25114434561.

16543441152 is a `hidden beast` number, since 1 + 65 + 4 + 3 + 441 + 152 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (16543441153) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 101493423 + ... + 101493585.

Almost surely, 2^16543441152 is an apocalyptic number.

16543441152 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 16543441152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29807406720).

16543441152 is an abundant number, since it is smaller than the sum of its proper divisors (43071372288).

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

16543441152 is a wasteful number, since it uses less digits than its factorization.

16543441152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 235 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 16543441152 in words is "sixteen billion, five hundred forty-three million, four hundred forty-one thousand, one hundred fifty-two".