16280228836 has 27 divisors (see below), whose sum is σ = 28768617507. Its totient is φ = 8061388920.

The previous prime is 16280228813. The next prime is 16280228879. The reversal of 16280228836 is 63882208261.

The square root of 16280228836 is 127594.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 33429385 + ... + 33429871.

Almost surely, 2^16280228836 is an apocalyptic number.

16280228836 is the 127594-th square number.

It is an amenable number.

16280228836 is a deficient number, since it is larger than the sum of its proper divisors (12488388671).

16280228836 is an frugal number, since it uses more digits than its factorization.

16280228836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 16280228836 in words is "sixteen billion, two hundred eighty million, two hundred twenty-eight thousand, eight hundred thirty-six".