16396800000 has 624 divisors, whose sum is σ = 63476187264. Its totient is φ = 3686400000.

The previous prime is 16396799983. The next prime is 16396800001. The reversal of 16396800000 is 869361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16396800001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 268799970 + ... + 268800030.

Almost surely, 2^16396800000 is an apocalyptic number.

16396800000 is a gapful number since it is divisible by the number (10) 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 16396800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31738093632).

16396800000 is an abundant number, since it is smaller than the sum of its proper divisors (47079387264).

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

16396800000 is an frugal number, since it uses more digits than its factorization.

16396800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 16396800000 in words is "sixteen billion, three hundred ninety-six million, eight hundred thousand".