16740807680 has 88 divisors (see below), whose sum is σ = 40333547592. Its totient is φ = 6667108352.

The previous prime is 16740807637. The next prime is 16740807683. The reversal of 16740807680 is 8670804761.

It can be written as a sum of positive squares in 4 ways, for example, as 52301824 + 16688505856 = 7232^2 + 129184^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16740807683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185944 + ... + 1199976.

Almost surely, 2^16740807680 is an apocalyptic number.

16740807680 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 16740807680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20166773796).

16740807680 is an abundant number, since it is smaller than the sum of its proper divisors (23592739912).

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

16740807680 is a wasteful number, since it uses less digits than its factorization.

16740807680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14291 (or 14273 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 16740807680 in words is "sixteen billion, seven hundred forty million, eight hundred seven thousand, six hundred eighty".