16324251840 has 896 divisors, whose sum is σ = 66363494400. Its totient is φ = 3746856960.

The previous prime is 16324251787. The next prime is 16324251847. The reversal of 16324251840 is 4815242361.

It is a happy number.

16324251840 is a `hidden beast` number, since 1 + 6 + 324 + 251 + 84 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 16324251795 and 16324251804.

It is not an unprimeable number, because it can be changed into a prime (16324251847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 183418516 + ... + 183418604.

It is an arithmetic number, because the mean of its divisors is an integer number (74066400).

Almost surely, 2^16324251840 is an apocalyptic number.

16324251840 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 16324251840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33181747200).

16324251840 is an abundant number, since it is smaller than the sum of its proper divisors (50039242560).

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

16324251840 is a wasteful number, since it uses less digits than its factorization.

16324251840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 16324251840 in words is "sixteen billion, three hundred twenty-four million, two hundred fifty-one thousand, eight hundred forty".