16494354560 has 64 divisors (see below), whose sum is σ = 39589300800. Its totient is φ = 6571392000.

The previous prime is 16494354557. The next prime is 16494354581. The reversal of 16494354560 is 6545349461.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109301 + ... + 211979.

It is an arithmetic number, because the mean of its divisors is an integer number (618582825).

Almost surely, 2^16494354560 is an apocalyptic number.

16494354560 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 16494354560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19794650400).

16494354560 is an abundant number, since it is smaller than the sum of its proper divisors (23094946240).

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

16494354560 is a wasteful number, since it uses less digits than its factorization.

16494354560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102949 (or 102937 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 16494354560 in words is "sixteen billion, four hundred ninety-four million, three hundred fifty-four thousand, five hundred sixty".