16089530644 has 12 divisors (see below), whose sum is σ = 30716376768. Its totient is φ = 7313423000.

The previous prime is 16089530621. The next prime is 16089530669. The reversal of 16089530644 is 44603598061.

It is a junction number, because it is equal to n+sod(n) for n = 16089530594 and 16089530603.

It is a congruent number.

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, 182835532 + ... + 182835619.

It is an arithmetic number, because the mean of its divisors is an integer number (2559698064).

Almost surely, 2^16089530644 is an apocalyptic number.

It is an amenable number.

16089530644 is a deficient number, since it is larger than the sum of its proper divisors (14626846124).

16089530644 is a wasteful number, since it uses less digits than its factorization.

16089530644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365671166 (or 365671164 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 16089530644 in words is "sixteen billion, eighty-nine million, five hundred thirty thousand, six hundred forty-four".