16734641280 has 128 divisors (see below), whose sum is σ = 60961956480. Its totient is φ = 3825057792.

The previous prime is 16734641263. The next prime is 16734641327. The reversal of 16734641280 is 8214643761.

16734641280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609129 + ... + 636008.

It is an arithmetic number, because the mean of its divisors is an integer number (476265285).

Almost surely, 2^16734641280 is an apocalyptic number.

16734641280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16734641280 is an abundant number, since it is smaller than the sum of its proper divisors (44227315200).

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

16734641280 is a wasteful number, since it uses less digits than its factorization.

16734641280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245166 (or 1245154 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 16734641280 in words is "sixteen billion, seven hundred thirty-four million, six hundred forty-one thousand, two hundred eighty".