16560611200 has 384 divisors, whose sum is σ = 49999567680. Its totient is φ = 5290721280.

The previous prime is 16560611161. The next prime is 16560611209. The reversal of 16560611200 is 211606561.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16560611209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59785462 + ... + 59785738.

Almost surely, 2^16560611200 is an apocalyptic number.

16560611200 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 16560611200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24999783840).

16560611200 is an abundant number, since it is smaller than the sum of its proper divisors (33438956480).

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

16560611200 is a wasteful number, since it uses less digits than its factorization.

16560611200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

It can be divided in two parts, 16560 and 611200, that added together give a triangular number (627760 = T₁₁₂₀).

The spelling of 16560611200 in words is "sixteen billion, five hundred sixty million, six hundred eleven thousand, two hundred".