16539444253914 has 16 divisors (see below), whose sum is σ = 33079395232800. Its totient is φ = 5513063630480.

The previous prime is 16539444253889. The next prime is 16539444253921. The reversal of 16539444253914 is 41935244493561.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20688564 + ... + 21473135.

It is an arithmetic number, because the mean of its divisors is an integer number (2067462202050).

Almost surely, 2^{16539444253914} is an apocalyptic number.

16539444253914 is an abundant number, since it is smaller than the sum of its proper divisors (16539950978886).

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

16539444253914 is a wasteful number, since it uses less digits than its factorization.

16539444253914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42227085.

The product of its digits is 55987200, while the sum is 60.

The spelling of 16539444253914 in words is "sixteen trillion, five hundred thirty-nine billion, four hundred forty-four million, two hundred fifty-three thousand, nine hundred fourteen".