16320428061888 has 28 divisors (see below), whose sum is σ = 43181132580920. Its totient is φ = 5440142687232.

The previous prime is 16320428061869. The next prime is 16320428061923. The reversal of 16320428061888 is 88816082402361.

16320428061888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16320428061888² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42501114553 + ... + 42501114936.

Almost surely, 2^{16320428061888} is an apocalyptic number.

It is an amenable number.

16320428061888 is an abundant number, since it is smaller than the sum of its proper divisors (26860704519032).

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

16320428061888 is an equidigital number, since it uses as much as digits as its factorization.

16320428061888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85002229504 (or 85002229494 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 57.

The spelling of 16320428061888 in words is "sixteen trillion, three hundred twenty billion, four hundred twenty-eight million, sixty-one thousand, eight hundred eighty-eight".