16733943680 has 32 divisors (see below), whose sum is σ = 40004585640. Its totient is φ = 6693577216.

The previous prime is 16733943649. The next prime is 16733943757. The reversal of 16733943680 is 8634933761.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13072754 + ... + 13074033.

Almost surely, 2^16733943680 is an apocalyptic number.

16733943680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16733943680 is an abundant number, since it is smaller than the sum of its proper divisors (23270641960).

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

16733943680 is an equidigital number, since it uses as much as digits as its factorization.

16733943680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26146806 (or 26146794 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 16733943680 in words is "sixteen billion, seven hundred thirty-three million, nine hundred forty-three thousand, six hundred eighty".