16213806768 has 30 divisors (see below), whose sum is σ = 41887946604. Its totient is φ = 5404308192.

The previous prime is 16213806767. The next prime is 16213806773. The reversal of 16213806768 is 86760831261.

16213806768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (16213806767) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 873003 + ... + 891381.

Almost surely, 2^16213806768 is an apocalyptic number.

It is an amenable number.

16213806768 is an abundant number, since it is smaller than the sum of its proper divisors (25674139836).

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

16213806768 is an frugal number, since it uses more digits than its factorization.

16213806768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36769 (or 18384 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

Multiplying 16213806768 by its sum of digits (48), we get a square (778262724864 = 882192²).

16213806768 divided by its sum of digits (48) gives a square (337787641 = 18379²).

The spelling of 16213806768 in words is "sixteen billion, two hundred thirteen million, eight hundred six thousand, seven hundred sixty-eight".