16798287680 has 112 divisors (see below), whose sum is σ = 40621360464. Its totient is φ = 6615859200.

The previous prime is 16798287641. The next prime is 16798287791. The reversal of 16798287680 is 8678289761.

It can be written as a sum of positive squares in 8 ways, for example, as 29073664 + 16769214016 = 5392^2 + 129496^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6236414 + ... + 6239106.

Almost surely, 2^16798287680 is an apocalyptic number.

16798287680 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 16798287680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20310680232).

16798287680 is an abundant number, since it is smaller than the sum of its proper divisors (23823072784).

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

16798287680 is a wasteful number, since it uses less digits than its factorization.

16798287680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004 (or 2994 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 62.

The spelling of 16798287680 in words is "sixteen billion, seven hundred ninety-eight million, two hundred eighty-seven thousand, six hundred eighty".