16604025330 has 96 divisors (see below), whose sum is σ = 42143891328. Its totient is φ = 4186080000.

The previous prime is 16604025283. The next prime is 16604025337. The reversal of 16604025330 is 3352040661.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16604025337) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6507555 + ... + 6510105.

It is an arithmetic number, because the mean of its divisors is an integer number (438998868).

Almost surely, 2^16604025330 is an apocalyptic number.

16604025330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16604025330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21071945664).

16604025330 is an abundant number, since it is smaller than the sum of its proper divisors (25539865998).

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

16604025330 is a wasteful number, since it uses less digits than its factorization.

16604025330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200 (or 3181 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 16604025330 its reverse (3352040661), we get a palindrome (19956065991).

The spelling of 16604025330 in words is "sixteen billion, six hundred four million, twenty-five thousand, three hundred thirty".