16280000938 has 8 divisors (see below), whose sum is σ = 25856472132. Its totient is φ = 7661176896.

The previous prime is 16280000929. The next prime is 16280000959. The reversal of 16280000938 is 83900008261.

It can be written as a sum of positive squares in 2 ways, for example, as 16067337049 + 212663889 = 126757^2 + 14583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 16280000897 and 16280000906.

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, 239411745 + ... + 239411812.

Almost surely, 2^16280000938 is an apocalyptic number.

16280000938 is a deficient number, since it is larger than the sum of its proper divisors (9576471194).

16280000938 is a wasteful number, since it uses less digits than its factorization.

16280000938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478823576.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 16280000938 in words is "sixteen billion, two hundred eighty million, nine hundred thirty-eight", and thus it is an aban number.