16252243255 has 4 divisors (see below), whose sum is σ = 19502691912. Its totient is φ = 13001794600.

The previous prime is 16252243243. The next prime is 16252243291. The reversal of 16252243255 is 55234225261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55234225261 = 3187 ⋅17331103.

It is not a de Polignac number, because 16252243255 - 2²¹ = 16250146103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1625224321 + ... + 1625224330.

It is an arithmetic number, because the mean of its divisors is an integer number (4875672978).

Almost surely, 2^16252243255 is an apocalyptic number.

16252243255 is a deficient number, since it is larger than the sum of its proper divisors (3250448657).

16252243255 is an equidigital number, since it uses as much as digits as its factorization.

16252243255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250448656.

The product of its digits is 144000, while the sum is 37.

The spelling of 16252243255 in words is "sixteen billion, two hundred fifty-two million, two hundred forty-three thousand, two hundred fifty-five".