16144328025 has 192 divisors, whose sum is σ = 36835737600. Its totient is φ = 6765120000.

The previous prime is 16144327999. The next prime is 16144328051. The reversal of 16144328025 is 52082344161.

It is a happy number.

16144328025 is a `hidden beast` number, since 1 + 614 + 4 + 32 + 8 + 0 + 2 + 5 = 666.

16144328025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16144327999) and next prime (16144328051).

It is not a de Polignac number, because 16144328025 - 2⁶ = 16144327961 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2780125 + ... + 2785925.

It is an arithmetic number, because the mean of its divisors is an integer number (191852800).

Almost surely, 2^16144328025 is an apocalyptic number.

16144328025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16144328025 is an abundant number, since it is smaller than the sum of its proper divisors (20691409575).

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

16144328025 is a wasteful number, since it uses less digits than its factorization.

16144328025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877 (or 5866 counting only the distinct ones).

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

The spelling of 16144328025 in words is "sixteen billion, one hundred forty-four million, three hundred twenty-eight thousand, twenty-five".