16293988992 has 256 divisors, whose sum is σ = 48117888000. Its totient is φ = 4861992960.

The previous prime is 16293988987. The next prime is 16293988993. The reversal of 16293988992 is 29988939261.

It is not an unprimeable number, because it can be changed into a prime (16293988993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14934367 + ... + 14935457.

It is an arithmetic number, because the mean of its divisors is an integer number (187960500).

Almost surely, 2^16293988992 is an apocalyptic number.

16293988992 is a gapful number since it is divisible by the number (12) 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 16293988992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24058944000).

16293988992 is an abundant number, since it is smaller than the sum of its proper divisors (31823899008).

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

16293988992 is a wasteful number, since it uses less digits than its factorization.

16293988992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1227 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 66.

The spelling of 16293988992 in words is "sixteen billion, two hundred ninety-three million, nine hundred eighty-eight thousand, nine hundred ninety-two".