16397266304 has 96 divisors (see below), whose sum is σ = 35616757800. Its totient is φ = 7498358784.

The previous prime is 16397266289. The next prime is 16397266313. The reversal of 16397266304 is 40366279361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2041304 + ... + 2049320.

Almost surely, 2^16397266304 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 16397266304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17808378900).

16397266304 is an abundant number, since it is smaller than the sum of its proper divisors (19219491496).

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

16397266304 is an equidigital number, since it uses as much as digits as its factorization.

16397266304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8108 (or 8067 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 47.

The spelling of 16397266304 in words is "sixteen billion, three hundred ninety-seven million, two hundred sixty-six thousand, three hundred four".