16223503296 has 672 divisors, whose sum is σ = 60710307840. Its totient is φ = 3754598400.

The previous prime is 16223503253. The next prime is 16223503319. The reversal of 16223503296 is 69230532261.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41705470 + ... + 41705858.

It is an arithmetic number, because the mean of its divisors is an integer number (90342720).

Almost surely, 2^16223503296 is an apocalyptic number.

16223503296 is a gapful number since it is divisible by the number (16) 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 16223503296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30355153920).

16223503296 is an abundant number, since it is smaller than the sum of its proper divisors (44486804544).

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

16223503296 is a wasteful number, since it uses less digits than its factorization.

16223503296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 16223503296 in words is "sixteen billion, two hundred twenty-three million, five hundred three thousand, two hundred ninety-six".