16323203244 has 48 divisors (see below), whose sum is σ = 38426976000. Its totient is φ = 5392758336.

The previous prime is 16323203219. The next prime is 16323203249. The reversal of 16323203244 is 44230232361.

It is not an unprimeable number, because it can be changed into a prime (16323203249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687727 + ... + 711065.

It is an arithmetic number, because the mean of its divisors is an integer number (800562000).

Almost surely, 2^16323203244 is an apocalyptic number.

It is an amenable number.

16323203244 is an abundant number, since it is smaller than the sum of its proper divisors (22103772756).

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

16323203244 is a wasteful number, since it uses less digits than its factorization.

16323203244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23862 (or 23860 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The spelling of 16323203244 in words is "sixteen billion, three hundred twenty-three million, two hundred three thousand, two hundred forty-four".