16280505366 has 16 divisors (see below), whose sum is σ = 32583345600. Its totient is φ = 5423112648.

The previous prime is 16280505349. The next prime is 16280505407. The reversal of 16280505366 is 66350508261.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921136 + ... + 938643.

It is an arithmetic number, because the mean of its divisors is an integer number (2036459100).

Almost surely, 2^16280505366 is an apocalyptic number.

16280505366 is an abundant number, since it is smaller than the sum of its proper divisors (16302840234).

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

16280505366 is a wasteful number, since it uses less digits than its factorization.

16280505366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861243.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 16280505366 in words is "sixteen billion, two hundred eighty million, five hundred five thousand, three hundred sixty-six".