16054399984 has 30 divisors (see below), whose sum is σ = 36183834384. Its totient is φ = 6880456800.

The previous prime is 16054399981. The next prime is 16054400009. The reversal of 16054399984 is 48999345061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16054399981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10237992 + ... + 10239559.

Almost surely, 2^16054399984 is an apocalyptic number.

16054399984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16054399984 is an abundant number, since it is smaller than the sum of its proper divisors (20129434400).

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

16054399984 is a wasteful number, since it uses less digits than its factorization.

16054399984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20477573 (or 20477560 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 16054399984 in words is "sixteen billion, fifty-four million, three hundred ninety-nine thousand, nine hundred eighty-four".