16495318794240 has 2880 divisors, whose sum is σ = 72514894237632. Its totient is φ = 3533281689600.

The previous prime is 16495318794221. The next prime is 16495318794287. The reversal of 16495318794240 is 4249781359461.

16495318794240 is a `hidden beast` number, since 1 + 6 + 4 + 9 + 5 + 318 + 79 + 4 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 311232430054 + ... + 311232430106.

It is a 1-persistent number, because it is pandigital, but 2⋅16495318794240 = 32990637588480 is not.

Almost surely, 2^{16495318794240} is an apocalyptic number.

16495318794240 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 16495318794240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36257447118816).

16495318794240 is an abundant number, since it is smaller than the sum of its proper divisors (56019575443392).

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

16495318794240 is an equidigital number, since it uses as much as digits as its factorization.

16495318794240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 16495318794240 in words is "sixteen trillion, four hundred ninety-five billion, three hundred eighteen million, seven hundred ninety-four thousand, two hundred forty".