16368489984 has 480 divisors, whose sum is σ = 58643139456. Its totient is φ = 3998023680.

The previous prime is 16368489959. The next prime is 16368490003. The reversal of 16368489984 is 48998486361.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14073787 + ... + 14074949.

Almost surely, 2^16368489984 is an apocalyptic number.

16368489984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16368489984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29321569728).

16368489984 is an abundant number, since it is smaller than the sum of its proper divisors (42274649472).

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

16368489984 is a wasteful number, since it uses less digits than its factorization.

16368489984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1203 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 66.

The spelling of 16368489984 in words is "sixteen billion, three hundred sixty-eight million, four hundred eighty-nine thousand, nine hundred eighty-four".