16893733440 has 112 divisors (see below), whose sum is σ = 53687715840. Its totient is φ = 4500787200.

The previous prime is 16893733369. The next prime is 16893733447. The reversal of 16893733440 is 4433739861.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 16893733440.

It is not an unprimeable number, because it can be changed into a prime (16893733447) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1097316 + ... + 1112604.

Almost surely, 2^16893733440 is an apocalyptic number.

16893733440 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 16893733440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26843857920).

16893733440 is an abundant number, since it is smaller than the sum of its proper divisors (36793982400).

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

16893733440 is a wasteful number, since it uses less digits than its factorization.

16893733440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16460 (or 16450 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 16893733440 in words is "sixteen billion, eight hundred ninety-three million, seven hundred thirty-three thousand, four hundred forty".