16720833338 has 16 divisors (see below), whose sum is σ = 27372189600. Its totient is φ = 7597371600.

The previous prime is 16720833331. The next prime is 16720833421. The reversal of 16720833338 is 83333802761.

It is not an unprimeable number, because it can be changed into a prime (16720833331) 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 7 ways as a sum of consecutive naturals, for example, 93008 + ... + 205163.

It is an arithmetic number, because the mean of its divisors is an integer number (1710761850).

Almost surely, 2^16720833338 is an apocalyptic number.

16720833338 is a deficient number, since it is larger than the sum of its proper divisors (10651356262).

16720833338 is a wasteful number, since it uses less digits than its factorization.

16720833338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300733.

The product of its (nonzero) digits is 435456, while the sum is 44.

It can be divided in two parts, 16720 and 833338, that added together give a palindrome (850058).

The spelling of 16720833338 in words is "sixteen billion, seven hundred twenty million, eight hundred thirty-three thousand, three hundred thirty-eight".