16396817600 has 336 divisors, whose sum is σ = 44507627520. Its totient is φ = 5922201600.

The previous prime is 16396817579. The next prime is 16396817651. The reversal of 16396817600 is 671869361.

It is a happy 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, 119684732 + ... + 119684868.

Almost surely, 2^16396817600 is an apocalyptic number.

16396817600 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 16396817600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22253813760).

16396817600 is an abundant number, since it is smaller than the sum of its proper divisors (28110809920).

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

16396817600 is a wasteful number, since it uses less digits than its factorization.

16396817600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 16396817600 in words is "sixteen billion, three hundred ninety-six million, eight hundred seventeen thousand, six hundred".