16544442873936 has 80 divisors (see below), whose sum is σ = 42932268587520. Its totient is φ = 5489990983680.

The previous prime is 16544442873919. The next prime is 16544442873953. The reversal of 16544442873936 is 63937824444561.

It is an interprime number because it is at equal distance from previous prime (16544442873919) and next prime (16544442873953).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53876800 + ... + 54183008.

It is an arithmetic number, because the mean of its divisors is an integer number (536653357344).

Almost surely, 2^{16544442873936} is an apocalyptic number.

16544442873936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16544442873936 is an abundant number, since it is smaller than the sum of its proper divisors (26387825713584).

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

16544442873936 is a wasteful number, since it uses less digits than its factorization.

16544442873936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311284 (or 311278 counting only the distinct ones).

The product of its digits is 418037760, while the sum is 66.

The spelling of 16544442873936 in words is "sixteen trillion, five hundred forty-four billion, four hundred forty-two million, eight hundred seventy-three thousand, nine hundred thirty-six".