16580422942720 has 960 divisors, whose sum is σ = 50191603531776. Its totient is φ = 5119011717120.

The previous prime is 16580422942679. The next prime is 16580422942793. The reversal of 16580422942720 is 2724922408561.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78580203415 + ... + 78580203625.

Almost surely, 2^{16580422942720} is an apocalyptic number.

16580422942720 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 16580422942720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25095801765888).

16580422942720 is an abundant number, since it is smaller than the sum of its proper divisors (33611180589056).

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

16580422942720 is a wasteful number, since it uses less digits than its factorization.

16580422942720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 16580422942720 in words is "sixteen trillion, five hundred eighty billion, four hundred twenty-two million, nine hundred forty-two thousand, seven hundred twenty".