16044809984 has 72 divisors (see below), whose sum is σ = 38755368288. Its totient is φ = 6471843840.

The previous prime is 16044809983. The next prime is 16044809993. The reversal of 16044809984 is 48990844061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16044809983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232877 + ... + 293804.

It is an arithmetic number, because the mean of its divisors is an integer number (538269004).

Almost surely, 2^16044809984 is an apocalyptic number.

16044809984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16044809984 is an abundant number, since it is smaller than the sum of its proper divisors (22710558304).

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

16044809984 is an equidigital number, since it uses as much as digits as its factorization.

16044809984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526721 (or 526707 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 16044809984 in words is "sixteen billion, forty-four million, eight hundred nine thousand, nine hundred eighty-four".