16456316800 has 768 divisors, whose sum is σ = 54639360000. Its totient is φ = 4847001600.

The previous prime is 16456316783. The next prime is 16456316813. The reversal of 16456316800 is 861365461.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 350134377 + ... + 350134423.

It is an arithmetic number, because the mean of its divisors is an integer number (71145000).

Almost surely, 2^16456316800 is an apocalyptic number.

16456316800 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 16456316800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27319680000).

16456316800 is an abundant number, since it is smaller than the sum of its proper divisors (38183043200).

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

16456316800 is a wasteful number, since it uses less digits than its factorization.

16456316800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 16456316800 in words is "sixteen billion, four hundred fifty-six million, three hundred sixteen thousand, eight hundred".