16459799400000 has 2016 divisors, whose sum is σ = 67517451106560. Its totient is φ = 3977424000000.

The previous prime is 16459799399999. The next prime is 16459799400041. The reversal of 16459799400000 is 499795461.

It is a happy number.

16459799400000 is a `hidden beast` number, since 1 + 6 + 4 + 597 + 9 + 9 + 40 + 0 + 0 + 0 + 0 = 666.

16459799400000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 16459799400000.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 52925399845 + ... + 52925400155.

It is an arithmetic number, because the mean of its divisors is an integer number (33490799160).

Almost surely, 2^{16459799400000} is an apocalyptic number.

16459799400000 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 16459799400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33758725553280).

16459799400000 is an abundant number, since it is smaller than the sum of its proper divisors (51057651706560).

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

16459799400000 is an frugal number, since it uses more digits than its factorization.

16459799400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 16459799400000 in words is "sixteen trillion, four hundred fifty-nine billion, seven hundred ninety-nine million, four hundred thousand".