16252434438 has 8 divisors (see below), whose sum is σ = 32504868888. Its totient is φ = 5417478144.

The previous prime is 16252434433. The next prime is 16252434461. The reversal of 16252434438 is 83443425261.

It is a sphenic number, since it is the product of 3 distinct primes.

16252434438 is an admirable number.

It is a super-3 number, since 3×16252434438³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 16252434438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16252434431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354369531 + ... + 1354369542.

It is an arithmetic number, because the mean of its divisors is an integer number (4063108611).

Almost surely, 2^16252434438 is an apocalyptic number.

16252434438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16252434438 is a wasteful number, since it uses less digits than its factorization.

16252434438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708739078.

The product of its digits is 552960, while the sum is 42.

Adding to 16252434438 its reverse (83443425261), we get a palindrome (99695859699).

The spelling of 16252434438 in words is "sixteen billion, two hundred fifty-two million, four hundred thirty-four thousand, four hundred thirty-eight".