16404208360320 has 768 divisors, whose sum is σ = 61173020543040. Its totient is φ = 3723283660800.

The previous prime is 16404208360291. The next prime is 16404208360349. The reversal of 16404208360320 is 2306380240461.

It is an interprime number because it is at equal distance from previous prime (16404208360291) and next prime (16404208360349).

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, 762231160 + ... + 762252680.

Almost surely, 2^{16404208360320} is an apocalyptic number.

16404208360320 is a gapful number since it is divisible by the number (10) 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 16404208360320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30586510271520).

16404208360320 is an abundant number, since it is smaller than the sum of its proper divisors (44768812182720).

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

16404208360320 is a wasteful number, since it uses less digits than its factorization.

16404208360320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21775 (or 21752 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 16404208360320 in words is "sixteen trillion, four hundred four billion, two hundred eight million, three hundred sixty thousand, three hundred twenty".