16423194216 has 384 divisors, whose sum is σ = 52366694400. Its totient is φ = 4238807040.

The previous prime is 16423194173. The next prime is 16423194239. The reversal of 16423194216 is 61249132461.

16423194216 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 (39).

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 95 ways as a sum of consecutive naturals, for example, 44749665 + ... + 44750031.

It is an arithmetic number, because the mean of its divisors is an integer number (136371600).

Almost surely, 2^16423194216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16423194216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26183347200).

16423194216 is an abundant number, since it is smaller than the sum of its proper divisors (35943500184).

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

16423194216 is a wasteful number, since it uses less digits than its factorization.

16423194216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 472 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The spelling of 16423194216 in words is "sixteen billion, four hundred twenty-three million, one hundred ninety-four thousand, two hundred sixteen".