16622411280 has 80 divisors (see below), whose sum is σ = 51637409280. Its totient is φ = 4423358464.

The previous prime is 16622411237. The next prime is 16622411287. The reversal of 16622411280 is 8211422661.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×16622411280² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16622411287) 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 15 ways as a sum of consecutive naturals, for example, 42664 + ... + 187256.

It is an arithmetic number, because the mean of its divisors is an integer number (645467616).

Almost surely, 2^16622411280 is an apocalyptic number.

16622411280 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 16622411280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25818704640).

16622411280 is an abundant number, since it is smaller than the sum of its proper divisors (35014998000).

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

16622411280 is a wasteful number, since it uses less digits than its factorization.

16622411280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145088 (or 145082 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 16622411280 in words is "sixteen billion, six hundred twenty-two million, four hundred eleven thousand, two hundred eighty".