16228825680 has 80 divisors (see below), whose sum is σ = 52957235520. Its totient is φ = 4099912704.

The previous prime is 16228825673. The next prime is 16228825729. The reversal of 16228825680 is 8652882261.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1774917 + ... + 1784036.

It is an arithmetic number, because the mean of its divisors is an integer number (661965444).

Almost surely, 2^16228825680 is an apocalyptic number.

16228825680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16228825680 is an abundant number, since it is smaller than the sum of its proper divisors (36728409840).

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

16228825680 is a wasteful number, since it uses less digits than its factorization.

16228825680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558988 (or 3558982 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 16228825680 in words is "sixteen billion, two hundred twenty-eight million, eight hundred twenty-five thousand, six hundred eighty".